ASN AS57508 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS57508?

AS57508 is listed under Alza ehf.

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.

AS57508 Alza ehf | IPGeolocation.io

Alza ehf alza.is

IS 4 Routes

AS Data

AS57508

AS57508 – Alza ehf

AS Number	57508
AS Name	AS-ALZA-IS
Organization	Alza ehf(org-ae73-ripe)
Country	IS
Website	alza.is
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2011-11-15

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Use ASN data for AS57508 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.221.232.0/22	AS57508	Alza ehf	Alza ehf	1024
2a0c:7000::/29	AS57508	Alza ehf	Alza hosting	~634×10²⁷
2001:67c:2aac::/48	AS57508	Alza ehf	Alza ehf	~1×10²⁴
91.220.110.0/24	AS57508	Alza ehf	Alza ehf	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 'AS57370 - AS57973'

as-block:       AS57370 - AS57973
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS57508'

% Abuse contact for 'AS57508' is 'abuse@alza.is'

aut-num:        AS57508
as-name:        AS-ALZA-IS
org:            ORG-AE73-RIPE
remarks:        -------------------------------
remarks:        Simafelagid peering
remarks:        -------------------------------
import:         from AS44735 action pref=120; accept ANY and not RS-MARTIANS
export:         to AS44735 announce AS57508
remarks:        -------------------------------
remarks:        RIX peerings
remarks:        -------------------------------
remarks:        RIX Peering to RHNet
remarks:        -------------------------------
import:         from AS15474 accept AS-RHNET
export:         to AS15474 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to Backbone
remarks:        -------------------------------
import:         from AS6775 accept AS-BACKBONE-EHF
export:         to AS6775 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to Nova
remarks:        -------------------------------
import:         from AS43571 accept AS43571
export:         to AS43571 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to Snerpa
remarks:        -------------------------------
import:         from AS24743 accept AS24743
export:         to AS24743 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to Vortex
remarks:        -------------------------------
import:         from AS25509 accept AS25509
export:         to AS25509 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to ISNIC
remarks:        -------------------------------
import:         from AS1850 accept AS1850
export:         to AS1850 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to HRINGDU
remarks:        -------------------------------
import:         from AS51896 accept AS51896
export:         to AS51896 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to ADVANIA
remarks:        -------------------------------
import:         from AS44515 accept AS-ADVANIA
export:         to AS44515 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to OPEX
remarks:        -------------------------------
import:         from AS60690 accept AS-OPEX
export:         to AS60690 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to K-ROOT
remarks:        -------------------------------
import:         from AS25152 accept RS-KROOT
export:         to AS25152 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to BASIS
remarks:        -------------------------------
import:         from AS43892 accept AS43892:AS-BASIS
export:         to AS43892 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to NWC
remarks:        -------------------------------
import:         from AS31410 accept AS31410
export:         to AS31410 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to ARIONBANKI
remarks:        -------------------------------
import:         from AS39472 accept AS39472
export:         to AS39472 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to VODAFONE
remarks:        -------------------------------
import:         from AS12969 accept AS12969:AS-VFIS
export:         to AS12969 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to VERISIGN
remarks:        -------------------------------
import:         from AS26415 accept AS26415
export:         to AS26415 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to 365NET
remarks:        -------------------------------
import:         from AS60300 accept AS-365NET
export:         to AS60300 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to SIMINN
remarks:        -------------------------------
import:         from AS6677 accept AS-ICENET
export:         to AS6677 announce AS-DCG-NET
remarks:        -------------------------------
remarks:        RIX Peering to LANDSBANKINN
remarks:        -------------------------------
import:         from AS39532 accept AS39532
export:         to AS39532 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to ICELANDAIR
remarks:        -------------------------------
import:         from AS202030 accept AS202030
export:         to AS202030 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering to ESGOB
remarks:        -------------------------------
import:         from AS60564 accept AS60564
export:         to AS60564 announce AS57508
remarks:        -------------------------------
remarks:        RIX Peering with Opin kerfi
remarks:        -------------------------------
import:         from AS48685 accept AS48685
export:         to AS48685 announce AS57508
remarks:        -------------------------------
admin-c:        AH12114-RIPE
tech-c:         AH12114-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         is-alza-1-mnt
created:        2011-11-15T14:32:49Z
last-modified:  2018-10-11T09:48:01Z
source:         RIPE

organisation:   ORG-AE73-RIPE
org-name:       Alza ehf
country:        IS
org-type:       LIR
address:        Armuli 4-6
address:        108
address:        Reykjavik
address:        ICELAND
phone:          +3545342050
admin-c:        AH12114-RIPE
tech-c:         AH12114-RIPE
abuse-c:        AR43135-RIPE
mnt-ref:        is-alza-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         is-alza-1-mnt
created:        2017-09-20T07:35:07Z
last-modified:  2020-12-16T13:41:50Z
source:         RIPE # Filtered

person:         Asgeir Halldorsson
address:        Armuli 4-6
address:        108
address:        Reykjavik
address:        ICELAND
phone:          +3545342050
nic-hdl:        AH12114-RIPE
mnt-by:         is-alza-1-mnt
created:        2017-09-20T07:35:06Z
last-modified:  2017-09-20T07:35:07Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121 (BUSA)

Parsed Whois Response

Peers

AS Number	Description	Country
AS51896	Hringdu ehf	IS
AS1850	Internet a Islandi hf	IS
AS25509	Hringidan ehf / Vortex Inc	IS
AS12969	Ljosleidarinn ehf	IS
AS25152	Reseaux IP Europeens Network Coordination Centre RIPE NCC	NL
AS24743	Snerpa ehf	IS
AS15474	Rannsokna og haskolanet Islands hf.	IS
AS43571	Nova hf	IS
AS39472	Arion Banki hf	IS
AS48685	Opin Kerfi hf	IS

Upstreams

AS Number	Description	Country
AS44735	Nova hf	IS

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