ASN AS48387 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS48387?

AS48387 is listed under berli.net.

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.

AS48387 berli.net | IPGeolocation.io

ASN Lookup Tool

berli.net berli.net

DE 5 Routes

AS Data

AS48387

AS48387 – berli.net

AS Number	48387
AS Name	RTBH-AS
Organization	berli.net(org-cs194-ripe)
Country	DE
Website	berli.net
Number of IPv4 Routes	3
Number of IPv6 Routes	2
ASN type	INDIVIDUAL
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2012-09-07

ASN Intelligence API for production workflows

Use ASN data for AS48387 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:67c:10a8::/47	AS48387	berli.net	Christian Seitz	~2×10²⁴
195.88.60.0/23	AS48387	berli.net	Christian Seitz	512
195.88.61.0/24	AS48387	berli.net	Christian Seitz	256
2001:67c:10a8::/48	AS48387	berli.net	Christian Seitz	~1×10²⁴
195.88.60.0/24	AS48387	berli.net	Christian Seitz	256

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 'AS47870 - AS49384'

as-block:       AS47870 - AS49384
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:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE

% Information related to 'AS48387'

% Abuse contact for 'AS48387' is 'abuse@berli.net'

aut-num:        AS48387
as-name:        RTBH-AS
descr:          berli.net
import:         from AS250 accept ANY
export:         to AS250 announce AS-BERLINET
import:         from AS6724 accept ANY
export:         to AS6724 announce AS-BERLINET
mp-import:      afi ipv6.unicast from AS6724 accept ANY
mp-export:      afi ipv6.unicast to AS6724 announce AS-BERLINET
import:         from AS12732 accept ANY
export:         to AS12732 announce AS-BERLINET
import:         from AS29670 accept ANY
export:         to AS29670 announce AS-BERLINET
mp-import:      afi ipv6.unicast from AS29670 accept ANY
mp-export:      afi ipv6.unicast to AS29670 announce AS-BERLINET
import:         from AS50472 accept ANY
export:         to AS50472 announce AS-BERLINET
org:            ORG-CS194-RIPE
admin-c:        RTBH-RIPE
tech-c:         RTBH-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         RTBH-MNT
created:        2012-09-07T08:05:13Z
last-modified:  2019-01-10T08:06:51Z
source:         RIPE
sponsoring-org: ORG-INBE3-RIPE

organisation:   ORG-CS194-RIPE
org-name:       Christian Seitz
country:        DE
org-type:       OTHER
address:        Christian Seitz
address:        berli.net
address:        Lesser-Ury-Weg 9
address:        D-15831 Blankenfelde-Mahlow
address:        Germany
phone:          +49 30 85732722
fax-no:         +49 30 85732723
admin-c:        RTBH-RIPE
tech-c:         RTBH-RIPE
abuse-c:        RTBH-RIPE
mnt-ref:        RTBH-MNT
mnt-by:         RTBH-MNT
created:        2012-09-05T15:00:03Z
last-modified:  2022-12-01T16:21:07Z
source:         RIPE # Filtered

role:           Hostmaster berli.net
address:        Christian Seitz
address:        berli.net
address:        Lesser-Ury-Weg 9
address:        D-15831 Blankenfelde-Mahlow
address:        Germany
phone:          +49 30 85732722
fax-no:         +49 30 85732723
admin-c:        BNCS-RIPE
admin-c:        BNDK-RIPE
tech-c:         BNCS-RIPE
tech-c:         BNDK-RIPE
nic-hdl:        RTBH-RIPE
abuse-mailbox:  abuse@berli.net
mnt-by:         RTBH-MNT
created:        2012-09-05T11:13:38Z
last-modified:  2016-02-04T09:22:52Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS47870 - AS49384",
    "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" : "2025-07-09",
    "date_updated" : "2025-07-09",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS48387",
    "as_name" : "RTBH-AS",
    "description" : [ "berli.net" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS250 accept ANY", "from AS6724 accept ANY", "from AS12732 accept ANY", "from AS29670 accept ANY", "from AS50472 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS6724 accept ANY", "afi ipv6.unicast from AS29670 accept ANY" ],
    "export" : [ "to AS250 announce AS-BERLINET", "to AS6724 announce AS-BERLINET", "to AS12732 announce AS-BERLINET", "to AS29670 announce AS-BERLINET", "to AS50472 announce AS-BERLINET" ],
    "mp_export" : [ "afi ipv6.unicast to AS6724 announce AS-BERLINET", "afi ipv6.unicast to AS29670 announce AS-BERLINET" ],
    "organization" : "ORG-CS194-RIPE",
    "sponsoring_organization" : "ORG-INBE3-RIPE",
    "admin_contacts" : [ "RTBH-RIPE" ],
    "tech_contacts" : [ "RTBH-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "RTBH-MNT" ],
    "date_created" : "2012-09-07",
    "date_updated" : "2019-01-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CS194-RIPE",
    "name" : "Christian Seitz",
    "type" : "OTHER",
    "address" : [ "Christian Seitz", "berli.net", "Lesser-Ury-Weg 9", "D-15831 Blankenfelde-Mahlow", "Germany" ],
    "street" : "Lesser-ury-weg",
    "city" : "Blankenfelde-mahlow",
    "zip_code" : "D-15831",
    "country" : [ "DE" ],
    "phone" : [ "+49 30 85732722" ],
    "fax_no" : [ "+49 30 85732723" ],
    "admin_contacts" : [ "RTBH-RIPE" ],
    "tech_contacts" : [ "RTBH-RIPE" ],
    "abuse_contacts" : [ "RTBH-RIPE" ],
    "mnt_ref" : [ "RTBH-MNT" ],
    "mnt_by" : [ "RTBH-MNT" ],
    "date_created" : "2012-09-05",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "RTBH-RIPE",
    "name" : "Hostmaster berli.net",
    "address" : [ "Christian Seitz", "berli.net", "Lesser-Ury-Weg 9", "D-15831 Blankenfelde-Mahlow", "Germany" ],
    "street" : "Lesser-ury-weg",
    "city" : "Blankenfelde-mahlow",
    "zip_code" : "D-15831",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse@berli.net" ],
    "phone" : [ "+49 30 85732722" ],
    "fax_no" : [ "+49 30 85732723" ],
    "admin_contacts" : [ "BNCS-RIPE", "BNDK-RIPE" ],
    "tech_contacts" : [ "BNCS-RIPE", "BNDK-RIPE" ],
    "mnt_by" : [ "RTBH-MNT" ],
    "date_created" : "2012-09-05",
    "date_updated" : "2016-02-04",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "RTBH-RIPE",
    "name" : "Hostmaster berli.net",
    "address" : [ "Christian Seitz", "berli.net", "Lesser-Ury-Weg 9", "D-15831 Blankenfelde-Mahlow", "Germany" ],
    "street" : "Lesser-ury-weg",
    "city" : "Blankenfelde-mahlow",
    "zip_code" : "D-15831",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse@berli.net" ],
    "phone" : [ "+49 30 85732722" ],
    "fax_no" : [ "+49 30 85732723" ],
    "admin_contacts" : [ "BNCS-RIPE", "BNDK-RIPE" ],
    "tech_contacts" : [ "BNCS-RIPE", "BNDK-RIPE" ],
    "mnt_by" : [ "RTBH-MNT" ],
    "date_created" : "2012-09-05",
    "date_updated" : "2016-02-04",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS29670	Individual Network Berlin ("IN-Berlin") e.V.	DE
AS12732	GutCon GmbH	DE
AS250	SACREDCHAO AS AS250.net Foundation	NL
AS6724	Strato GmbH	DE
AS29670	Individual Network Berlin IN Berlin e.V.	DE
AS50472	Chaos Computer Club e.V.	DE

Upstreams

AS Number	Description	Country
AS29670	Individual Network Berlin IN Berlin e.V.	DE