// Atlas Communications (NI) Ltd. //

AS Name: ATLAS-COMMUNICATIONS-AS

Organization: ORG-ACL38-RIPE

Registry: RIPE

Imports from (51)

AS39545 AS112 AS43760 AS2110 AS25441 AS31122 AS34245 AS39122 AS42 AS3856 AS2906 AS2128 AS26415 AS202235 AS786 AS13213 AS6939 AS8560 AS2818 AS8607 AS10310 AS29636 AS29017 AS13037 AS21099 AS20940 AS9044 AS44444 AS8681 AS21371 AS9002 AS35456 AS21345 AS20712 AS32934 AS29611 AS36408 AS24594 AS25369 AS13335 AS35228 AS8714 AS5459 AS34555 AS714 AS12076 AS3257 AS205039 AS205654 AS36692
... and 1 more

Exports to (52)

AS39545 AS31641 AS112 AS43760 AS2110 AS25441 AS31122 AS34245 AS39122 AS42 AS3856 AS2906 AS2128 AS26415 AS202235 AS786 AS13213 AS6939 AS8560 AS2818 AS8607 AS10310 AS29636 AS29017 AS13037 AS21099 AS20940 AS9044 AS44444 AS8681 AS21371 AS9002 AS35456 AS21345 AS20712 AS32934 AS29611 AS36408 AS24594 AS25369 AS13335 AS35228 AS8714 AS5459 AS34555 AS714 AS12076 AS3257 AS205039 AS205654
... and 2 more

aut-num:        AS31641
as-name:        ATLAS-COMMUNICATIONS-AS
remarks:        ***************************************************************
remarks:        *** FLUIDATA, GB ***
import:         from AS39545 accept ANY
remarks:        *** GTT-BACKBONE GTT, DE ***
import:         from AS3257 accept ANY
export:         to AS3257 announce AS31641
remarks:        *** BEACONBROADBAND, GB ***
import:         from AS205039 accept ANY
export:         to AS205039 announce AS31641
remarks:        *** ASN-LABTECH, GB ***
import:         from AS205654 accept ANY
export:         to AS205654 announce AS31641
remarks:        *** COGENT-174 - Cogent Communications, US ***
import:         from AS174 accept ANY
export:         to AS174 announce AS31641
remarks:        *** Virgin Media Limited ***
import:         from AS5089 accept ANY
export:         to AS5089 announce AS-ATLASCOMMS
remarks:        ***************************************************************
org:            ORG-ACL38-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
abuse-c:        AR38659-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-atlascomms-1-mnt
created:        2004-06-29T13:58:56Z
last-modified:  2026-06-03T10:12:24Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Direct Membership

Macros that directly list AS31641 as a member:

AS-ATLASCOMMS(4 members)
AS702:AS-IE-CUSTOMER(17 members)
AS1213:AS-INEXPEERS(30 members)
AS12703:AS-PEERS(175 members)
AS702:AS-UK-CUSTOMER(190 members)
AS-GTTCUST6(2384 members)
AS-GTTCUST(3453 members)

Expanded Membership

All macros containing AS31641 (directly or via nested macros): 27

Show 27 macros

AS-ATLASCOMMS(4 ASNs)
AS-BYTEL(4 ASNs)
AS702:AS-IE-CUSTOMER(16 ASNs)
AS1213:AS-INEXPEERS(30 ASNs)
AS12703:AS-PEERS(175 ASNs)
AS-UUNETEUUK(8,356 ASNs)
AS702:AS-UK-CUSTOMER(8,356 ASNs)
AS702:AS-CUSTOMER(43,022 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS-GTTCUST6(83,984 ASNs)
AS-TINETCUST6(83,984 ASNs)
AS-GTTCUST(84,520 ASNs)
AS-TINETCUST(84,520 ASNs)
AS-GTT(84,608 ASNs)
AS-TINET(84,608 ASNs)
AS-TISCALI(84,608 ASNs)
AS-CESNET-NIX-PEERS(85,295 ASNs)
AS-TIXZH(94,757 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
AS-DECIX-V6(100,277 ASNs)
AS6695:AS-DECIX-FRA-V6(100,277 ASNs)
AS-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)

Upstream AS Paths

26 unique paths, avg length 1.6

AS Looking Glass

Upstream paths (matching graph above)

AS1299 → AS174 → AS31641
AS14537 → AS13786 → AS174 → AS31641
AS150000 → AS18187 → AS174 → AS31641
AS52320 → AS174 → AS31641
AS136557 → AS174 → AS31641
AS2497 → AS3257 → AS31641
AS2734 → AS3257 → AS31641
AS16552 → AS3257 → AS31641
AS25091 → AS3257 → AS31641
AS33185 → AS3257 → AS31641
AS199524 → AS3257 → AS31641
AS398465 → AS3257 → AS31641
AS150000 → AS6939 → AS31641
AS398465 → AS6939 → AS31641
AS14537 → AS31641
AS25091 → AS31641
AS49544 → AS31641
AS52320 → AS31641
AS56665 → AS31641
AS63927 → AS31641

All 26 Upstream Paths

Complete list of all observed paths

AS1299 → AS174 → AS31641
AS14537 → AS13786 → AS174 → AS31641
AS150000 → AS18187 → AS174 → AS31641
AS52320 → AS174 → AS31641
AS136557 → AS174 → AS31641
AS3257 → AS31641
AS2497 → AS3257 → AS31641
AS2734 → AS3257 → AS31641
AS16552 → AS3257 → AS31641
AS25091 → AS3257 → AS31641
AS33185 → AS3257 → AS31641
AS199524 → AS3257 → AS31641
AS398465 → AS3257 → AS31641
AS6939 → AS31641
AS150000 → AS6939 → AS31641
AS398465 → AS6939 → AS31641
AS14537 → AS31641
AS25091 → AS31641
AS49544 → AS31641
AS52320 → AS31641
AS56665 → AS31641
AS58511 → AS31641
AS61573 → AS31641
AS63927 → AS31641
AS132337 → AS31641

AS31641 IPv4 Address Subnets (4)

80.76.192.0/20	🇬🇧 GB	ATLAS-NET-1	ATLAS-COMMUNICATIONS-AS
80.95.176.0/20	🇬🇧 GB		ATLAS-COMMUNICATIONS-AS
185.66.208.0/22	🇬🇧 GB	ATLAS-NET3 Atlas Communications (NI) Ltd.	ATLAS-COMMUNICATIONS-AS
193.27.32.0/22	🇬🇧 GB		ATLAS-COMMUNICATIONS-AS