ASN AS20633 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20633?

AS20633 is listed under Johann Wolfgang Goethe Universitat Frankfurt am Main.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS20633 Johann Wolfgang Goethe Universitat Frankfurt am Main

Johann Wolfgang Goethe Universitat Frankfurt am Main rz.uni-frankfurt.de

DE 3 Routes

AS Data

AS20633

AS20633 – Johann Wolfgang Goethe Universitat Frankfurt am Main

AS Number	20633
AS Name	UNIFFM-NET
Organization	Johann Wolfgang Goethe Universitat Frankfurt am Main (org-jwgf1-ripe)
Country	DE
Website	rz.uni-frankfurt.de
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	EDUCATION
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	1970-01-01

ASN Intelligence API for production workflows

Use ASN data for AS20633 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
141.2.0.0/16	AS20633	Johann Wolfgang Goethe Universitat Frankfurt am Main	Johann Wolfgang Goethe Universitat Frankfurt am Main	65536
2001:a38::/32	AS20633	Johann Wolfgang Goethe Universitat Frankfurt am Main	Johann Wolfgang Goethe Universitat Frankfurt am Main	~79×10²⁷
185.193.228.0/22	AS20633	Johann Wolfgang Goethe Universitat Frankfurt am Main	Johann Wolfgang Goethe Universitat Frankfurt am Main	1024

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS20485 - AS20857'

as-block:       AS20485 - AS20857
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20633'

% Abuse contact for 'AS20633' is 'abuse@rz.uni-frankfurt.de'

aut-num:        AS20633
as-name:        UNIFFM-NET
org:            ORG-JWGF1-RIPE
import:         from AS680 action pref=100; accept ANY
import:         from AS8365 action pref=100; accept ANY
import:         from AS19151 accept AS-BBOI
import:         from AS15600 accept AS-LAN
import:         from AS5605 accept AS-NETUSE
import:         from AS21473 accept AS-MANET
import:         from AS8422 accept AS-NETCOLOGNE
import:         from AS9044 accept AS-SOLNET
import:         from AS13301 accept AS-UNITEDCOLO
import:         from AS13184 accept AS-HANSENET
import:         from AS12611 accept AS-RKOM
import:         from AS20940 accept AS-AKAMAI
import:         from AS9189 accept AS-ASCOM
import:         from AS2857 accept AS-RLP-NET
import:         from AS20847 accept AS-INTROWEB
import:         from AS29686 accept AS-PROBENETWORKS
import:         from AS13101 accept AS-TNG
import:         from AS16272 accept AS-EASTLINK
import:         from AS49544 accept AS-INTERACTIVE3D
import:         from AS21385 accept AS-TNIB
import:         from AS6695 accept AS-DECIX
import:         from AS553 accept AS-BELWUE
import:         from AS12897 accept AS-HEAGMEDIANET
import:         from AS9119 accept AS-SOFTNET
import:         from AS8586 accept AS-REDNET
import:         from AS9132 accept AS-MEDIASCAPE
import:         from AS12399 accept AS-SPX
import:         from AS8763 accept AS-DENIC
import:         from AS31529 accept AS-DENIC
import:         from AS8804 accept AS-IX-REGIONET
import:         from AS13030 accept AS-INIT7
import:         from AS20676 accept AS-QSC
import:         from AS6728 accept AS-nildram
import:         from AS8881 accept ANY
import:         from AS5466 accept AS-EIRCOM
import:         from AS8657 accept AS-CPRM
import:         from AS15557 accept AS-LDCOMNET
import:         from AS12859 accept AS-BIT
import:         from AS24905 accept AS-TERRALINK
import:         from AS16215 accept AS-GENOTEC
import:         from AS6939 accept AS-HURRICANE
import:         from AS29208 accept ANY
import:         from AS20562 accept ANY
import:         from AS8075 accept ANY
export:         to AS680 announce AS20633
export:         to AS8365 announce AS20633
export:         to AS15600 announce AS20633
export:         to AS5605 announce AS20633
export:         to AS21473 announce AS20633
export:         to AS8075 announce AS20633
export:         to AS8422 announce AS20633
export:         to AS9044 announce AS20633
export:         to AS13301 announce AS20633
export:         to AS13184 announce AS20633
export:         to AS12611 announce AS20633
export:         to AS20940 announce AS20633
export:         to AS9189 announce AS20633
export:         to AS49544 announce AS20633
export:         to AS2857 announce AS20633
export:         to AS20847 announce AS20633
export:         to AS19151 announce AS20633
export:         to AS29686 announce AS20633
export:         to AS13101 announce AS20633
export:         to AS16272 announce AS20633
export:         to AS21385 announce AS20633
export:         to AS6995 announce AS20633
export:         to AS553 announce AS20633
export:         to AS12897 announce AS20633
export:         to AS9119 announce AS20633
export:         to AS8586 announce AS20633
export:         to AS9132 announce AS20633
export:         to AS12399 announce AS20633
export:         to AS8763 announce AS20633
export:         to AS31529 announce AS20633
export:         to AS8804 announce AS20633
export:         to AS13030 announce AS20633
export:         to AS20676 announce AS20633
export:         to AS6728 announce AS20633
export:         to AS8881 announce AS20633
export:         to AS5466 announce AS20633
export:         to AS8657 announce AS20633
export:         to AS15557 announce AS20633
export:         to AS12859 announce AS20633
export:         to AS24905 announce AS20633
export:         to AS16215 announce AS20633
export:         to AS6939 announce AS20633
export:         to AS29208 announce AS20633
export:         to AS20562 announce AS20633
mp-import:      afi ipv6.unicast from AS13030 accept AS-INIT7
mp-import:      afi ipv6.unicast from AS8075 accept ANY
mp-import:      afi ipv6.unicast from AS680 accept ANY
mp-import:      afi ipv6.unicast from AS6695 accept AS-DECIX
mp-import:      afi ipv6.unicast from AS8881 accept ANY
mp-import:      afi ipv6.unicast from AS33873 accept AS-ARVATO-V6
mp-import:      afi ipv6.unicast from AS8359 accept AS-MTU-V6
mp-import:      afi ipv6.unicast from AS21219 accept AS-DATAGROUP-v6
mp-import:      afi ipv6.unicast from AS20562 accept ANY
mp-import:      afi ipv6.unicast from AS20773 accept ANY
import:         from AS30890 accept AS-EVOLVA
import:         from AS19151 accept ANY
import:         from AS39912 accept AS-I3B
import:         from AS9063 accept AS-Saargate
import:         from AS39257 accept AS-INC
import:         from AS33873 accept AS-ARVATO
import:         from AS8359 accept AS-MTU
import:         from AS21219 accept AS-FF-TRANSIT
import:         from AS20773 accept ANY
mp-export:      afi ipv6.unicast to AS680 announce AS20633
mp-export:      afi ipv6.unicast to AS6695 announce AS20633
mp-export:      afi ipv6.unicast to AS8881 announce AS20633
mp-export:      afi ipv6.unicast to AS13030 announce AS20633
mp-export:      afi ipv6.unicast to AS33873 announce AS20633
mp-export:      afi ipv6.unicast to AS8359 announce AS20633
mp-export:      afi ipv6.unicast to AS21219 announce AS20633
mp-export:      afi ipv6.unicast to AS20562 announce AS20633
mp-export:      afi ipv6.unicast to AS8075 announce AS20633
mp-export:      afi ipv6.unicast to AS20773 announce AS20633
export:         to AS30890 announce AS20633
export:         to AS19151 announce AS20633
export:         to AS9063 announce AS20633
export:         to AS39912 announce AS20633
export:         to AS39257 announce AS20633
export:         to AS33873 announce AS20633
export:         to AS8359 announce AS20633
export:         to AS21219 announce AS20633
export:         to AS20773 announce AS20633
admin-c:        us58-RIPE
tech-c:         us58-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UNIFFM-MNT
descr:          cords@rz.uni-frankfurt.de 20101227
created:        1970-01-01T00:00:00Z
last-modified:  2026-02-15T14:19:33Z
source:         RIPE # Filtered

organisation:   ORG-JWGF1-RIPE
org-name:       Johann Wolfgang Goethe-Universitat Frankfurt am Main
country:        DE
org-type:       LIR
address:        Theodor-W.-Adorno-Platz 1
address:        60323
address:        Frankfurt am Main
address:        GERMANY
phone:          +4969 798 12600
admin-c:        MB4323-RIPE
admin-c:        DC1139-RIPE
mnt-ref:        UNIFFM-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         UNIFFM-MNT
abuse-c:        us58-ripe
created:        2004-09-20T08:45:45Z
last-modified:  2026-03-30T11:08:34Z
source:         RIPE # Filtered

role:           uniffm staff
address:        Johann Wolfgang Goethe Universitaet, Hochschulrechenzentrum, Theodor-W.-Adorno-Platz 1, 60323 Frankfurt/M., Germany
address:        as@rz.uni-frankfurt.de
phone:          +49 69 798 55544
abuse-mailbox:  abuse@rz.uni-frankfurt.de
admin-c:        DC1139-RIPE
admin-c:        MB4323-RIPE
tech-c:         DC1139-RIPE
tech-c:         MB4323-RIPE
nic-hdl:        us58-RIPE
mnt-by:         UNIFFM-MNT
created:        2003-07-03T12:14:02Z
last-modified:  2018-06-05T05:53:12Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS20485 - AS20857",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS20633",
    "as_name" : "UNIFFM-NET",
    "description" : [ "cords@rz.uni-frankfurt.de 20101227" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS680 action pref=100; accept ANY", "from AS8365 action pref=100; accept ANY", "from AS19151 accept AS-BBOI", "from AS15600 accept AS-LAN", "from AS5605 accept AS-NETUSE", "from AS21473 accept AS-MANET", "from AS8422 accept AS-NETCOLOGNE", "from AS9044 accept AS-SOLNET", "from AS13301 accept AS-UNITEDCOLO", "from AS13184 accept AS-HANSENET", "from AS12611 accept AS-RKOM", "from AS20940 accept AS-AKAMAI", "from AS9189 accept AS-ASCOM", "from AS2857 accept AS-RLP-NET", "from AS20847 accept AS-INTROWEB", "from AS29686 accept AS-PROBENETWORKS", "from AS13101 accept AS-TNG", "from AS16272 accept AS-EASTLINK", "from AS49544 accept AS-INTERACTIVE3D", "from AS21385 accept AS-TNIB", "from AS6695 accept AS-DECIX", "from AS553 accept AS-BELWUE", "from AS12897 accept AS-HEAGMEDIANET", "from AS9119 accept AS-SOFTNET", "from AS8586 accept AS-REDNET", "from AS9132 accept AS-MEDIASCAPE", "from AS12399 accept AS-SPX", "from AS8763 accept AS-DENIC", "from AS31529 accept AS-DENIC", "from AS8804 accept AS-IX-REGIONET", "from AS13030 accept AS-INIT7", "from AS20676 accept AS-QSC", "from AS6728 accept AS-nildram", "from AS8881 accept ANY", "from AS5466 accept AS-EIRCOM", "from AS8657 accept AS-CPRM", "from AS15557 accept AS-LDCOMNET", "from AS12859 accept AS-BIT", "from AS24905 accept AS-TERRALINK", "from AS16215 accept AS-GENOTEC", "from AS6939 accept AS-HURRICANE", "from AS29208 accept ANY", "from AS20562 accept ANY", "from AS8075 accept ANY", "from AS30890 accept AS-EVOLVA", "from AS19151 accept ANY", "from AS39912 accept AS-I3B", "from AS9063 accept AS-Saargate", "from AS39257 accept AS-INC", "from AS33873 accept AS-ARVATO", "from AS8359 accept AS-MTU", "from AS21219 accept AS-FF-TRANSIT", "from AS20773 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS13030 accept AS-INIT7", "afi ipv6.unicast from AS8075 accept ANY", "afi ipv6.unicast from AS680 accept ANY", "afi ipv6.unicast from AS6695 accept AS-DECIX", "afi ipv6.unicast from AS8881 accept ANY", "afi ipv6.unicast from AS33873 accept AS-ARVATO-V6", "afi ipv6.unicast from AS8359 accept AS-MTU-V6", "afi ipv6.unicast from AS21219 accept AS-DATAGROUP-v6", "afi ipv6.unicast from AS20562 accept ANY", "afi ipv6.unicast from AS20773 accept ANY" ],
    "export" : [ "to AS680 announce AS20633", "to AS8365 announce AS20633", "to AS15600 announce AS20633", "to AS5605 announce AS20633", "to AS21473 announce AS20633", "to AS8075 announce AS20633", "to AS8422 announce AS20633", "to AS9044 announce AS20633", "to AS13301 announce AS20633", "to AS13184 announce AS20633", "to AS12611 announce AS20633", "to AS20940 announce AS20633", "to AS9189 announce AS20633", "to AS49544 announce AS20633", "to AS2857 announce AS20633", "to AS20847 announce AS20633", "to AS19151 announce AS20633", "to AS29686 announce AS20633", "to AS13101 announce AS20633", "to AS16272 announce AS20633", "to AS21385 announce AS20633", "to AS6995 announce AS20633", "to AS553 announce AS20633", "to AS12897 announce AS20633", "to AS9119 announce AS20633", "to AS8586 announce AS20633", "to AS9132 announce AS20633", "to AS12399 announce AS20633", "to AS8763 announce AS20633", "to AS31529 announce AS20633", "to AS8804 announce AS20633", "to AS13030 announce AS20633", "to AS20676 announce AS20633", "to AS6728 announce AS20633", "to AS8881 announce AS20633", "to AS5466 announce AS20633", "to AS8657 announce AS20633", "to AS15557 announce AS20633", "to AS12859 announce AS20633", "to AS24905 announce AS20633", "to AS16215 announce AS20633", "to AS6939 announce AS20633", "to AS29208 announce AS20633", "to AS20562 announce AS20633", "to AS30890 announce AS20633", "to AS19151 announce AS20633", "to AS9063 announce AS20633", "to AS39912 announce AS20633", "to AS39257 announce AS20633", "to AS33873 announce AS20633", "to AS8359 announce AS20633", "to AS21219 announce AS20633", "to AS20773 announce AS20633" ],
    "mp_export" : [ "afi ipv6.unicast to AS680 announce AS20633", "afi ipv6.unicast to AS6695 announce AS20633", "afi ipv6.unicast to AS8881 announce AS20633", "afi ipv6.unicast to AS13030 announce AS20633", "afi ipv6.unicast to AS33873 announce AS20633", "afi ipv6.unicast to AS8359 announce AS20633", "afi ipv6.unicast to AS21219 announce AS20633", "afi ipv6.unicast to AS20562 announce AS20633", "afi ipv6.unicast to AS8075 announce AS20633", "afi ipv6.unicast to AS20773 announce AS20633" ],
    "organization" : "ORG-JWGF1-RIPE",
    "admin_contacts" : [ "us58-RIPE" ],
    "tech_contacts" : [ "us58-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "UNIFFM-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2026-02-15",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-JWGF1-RIPE",
    "name" : "Johann Wolfgang Goethe-Universitat Frankfurt am Main",
    "type" : "LIR",
    "address" : [ "Theodor-W.-Adorno-Platz 1", "60323", "Frankfurt am Main", "GERMANY" ],
    "street" : "Theodor-w.-adorno-platz",
    "city" : "Frankfurt Am Main",
    "zip_code" : "60323",
    "country" : [ "DE" ],
    "phone" : [ "+4969 798 12600" ],
    "admin_contacts" : [ "MB4323-RIPE", "DC1139-RIPE" ],
    "abuse_contacts" : [ "us58-ripe" ],
    "mnt_ref" : [ "UNIFFM-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "UNIFFM-MNT" ],
    "date_created" : "2004-09-20",
    "date_updated" : "2026-03-30",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "us58-RIPE",
    "name" : "uniffm staff",
    "address" : [ "Johann Wolfgang Goethe Universitaet, Hochschulrechenzentrum, Theodor-W.-Adorno-Platz 1, 60323 Frankfurt/M., Germany", "as@rz.uni-frankfurt.de" ],
    "street" : "Theodor-w.-adorno-platz",
    "city" : "Frankfurt/m.",
    "zip_code" : "60323",
    "country" : "GERMANY AS@RZ.UNI FRANKFURT.DE",
    "abuse_mailbox" : [ "abuse@rz.uni-frankfurt.de" ],
    "phone" : [ "+49 69 798 55544" ],
    "admin_contacts" : [ "DC1139-RIPE", "MB4323-RIPE" ],
    "tech_contacts" : [ "DC1139-RIPE", "MB4323-RIPE" ],
    "mnt_by" : [ "UNIFFM-MNT" ],
    "date_created" : "2003-07-03",
    "date_updated" : "2018-06-05",
    "source" : "RIPE",
    "addressCountry" : "GERMANY AS@RZ.UNI FRANKFURT.DE"
  } ],
  "technical_contacts" : [ {
    "handle" : "us58-RIPE",
    "name" : "uniffm staff",
    "address" : [ "Johann Wolfgang Goethe Universitaet, Hochschulrechenzentrum, Theodor-W.-Adorno-Platz 1, 60323 Frankfurt/M., Germany", "as@rz.uni-frankfurt.de" ],
    "street" : "Theodor-w.-adorno-platz",
    "city" : "Frankfurt/m.",
    "zip_code" : "60323",
    "country" : "GERMANY AS@RZ.UNI FRANKFURT.DE",
    "abuse_mailbox" : [ "abuse@rz.uni-frankfurt.de" ],
    "phone" : [ "+49 69 798 55544" ],
    "admin_contacts" : [ "DC1139-RIPE", "MB4323-RIPE" ],
    "tech_contacts" : [ "DC1139-RIPE", "MB4323-RIPE" ],
    "mnt_by" : [ "UNIFFM-MNT" ],
    "date_created" : "2003-07-03",
    "date_updated" : "2018-06-05",
    "source" : "RIPE",
    "addressCountry" : "GERMANY AS@RZ.UNI FRANKFURT.DE"
  } ]
}

Peers

AS Number	Description	Country
AS58057	Securebit AG	CH
AS25220	equada network GmbH	DE
AS16272	RIPE Network Coordination Centre	NL
AS6995	Verizon Business	US
AS39249	Netassist International EOOD	BG
AS13030	Init7 (Switzerland) Ltd.	CH
AS38880	Micron21 Datacentre Pty Ltd	AU
AS198150	SIACOM JSC	GE
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS12611	R KOM Regensburger Telekommunikationsgesellschaft mbH	DE

Upstreams

AS Number	Description	Country
AS39249	Netassist International EOOD	BG
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS22356	Durand do Brasil Ltda	BR
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU
AS30781	Free Pro SAS	FR
AS14840	BR.Digital Telecom	BR
AS29632	Netassist International EOOD	BG
AS24961	WIIT AG	DE

ASN Lookup Tool

ASN Summary