AS21054 — RBSG-UK-AS
AS Name: RBSG-UK-AS
Description: Edinburgh
Organization: ORG-TRBO2-RIPE
Registry: RIPE
aut-num: AS21054
as-name: UK-NATWEST-AS21054
org: ORG-TRBO2-RIPE
descr: Edinburgh
import: from AS2856 action pref=100; accept ANY
import: from AS1273 action pref=100; accept ANY
import: from AS32787 action pref=100; accept ANY
import: from AS4755 action pref=100; accept ANY
import: from AS9498 action pref=100; accept ANY
export: to AS2856 announce AS21054
export: to AS1273 announce AS21054
export: to AS32787 announce AS21054
export: to AS4755 announce AS21054
export: to AS9498 announce AS21054
default: to AS1273 action pref=100; networks ANY
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: RBSG-MNT
created: 2002-03-07T14:53:40Z
last-modified: 2026-04-10T15:39:43Z
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 AS21054 as a member:
AS1273:AS-CWW(221 members)
AS-BTGB-CUST(257 members)
AS-PROLE(1180 members)
AS-VSNL-IN(1809 members)
AS3491:AS-CUSTOMERS-AP(3895 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
Expanded Membership
All macros containing AS21054 (directly or via nested macros): 316
Show 100 macros
AS-BTGB-CUST(256 ASNs)
AS-BTGB(259 ASNs)
AS-BTTOLINX(259 ASNs)
AS-BT-UK(329 ASNs)
AS-BT-EU(755 ASNs)
AS-CONCERT(755 ASNs)
AS-CONCERTEU(755 ASNs)
AS5400:AS-BTGF(755 ASNs)
AS-PROLE(1,180 ASNs)
AS-TINETASIA(1,243 ASNs)
AS-GTTASIA(1,245 ASNs)
AS1221:AS-CUSTOMERS(3,327 ASNs)
AS1221:AS-TELSTRA(3,328 ASNs)
AS-DATAMENA(3,379 ASNs)
AS-EITC-DU(3,446 ASNs)
AS4826:AS-CUSTOMERS(3,766 ASNs)
AS-VOCUS(3,767 ASNs)
AS4826:AS-VOCUS(3,767 ASNs)
AS-SOFIA-CONNECT(4,627 ASNs)
AS7606:AS-SA-IX(4,843 ASNs)
AS7474:AS-CUSTOMERS(6,144 ASNs)
AS7474:AS-OPTUS(6,145 ASNs)
AS-OTEGLOBE(6,779 ASNs)
AS-OPTUS(7,043 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS2914:AS-SA-V6(14,359 ASNs)
AS2914:AS-SA(14,363 ASNs)
AS-STIX(18,626 ASNs)
AS198792:AS-PEER-AMSIX-V4(19,486 ASNs)
AS-VSNL-IN(23,661 ASNs)
AS-FLAGP(25,034 ASNs)
AS-FLAGT(25,034 ASNs)
AS-MFNX(26,187 ASNs)
AS-RETN-HK(26,343 ASNs)
AS47214:AS-LILLIX(26,738 ASNs)
AS43100:AS-MEMBERS(26,826 ASNs)
AS-SFINX-RS-MEMBERS-IPV6(26,914 ASNs)
AS-SFINX-RS-MEMBERS(26,976 ASNs)
AS7606:AS-VIC-IX(29,635 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-TORIX(37,868 ASNs)
AS-UUNETPIPEXLINX(38,009 ASNs)
AS-SEABONECUSTMEAF(38,795 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS7606:AS-QLD-IX(40,666 ASNs)
AS7606:AS-WA-IX(40,872 ASNs)
AS-STUIX(41,458 ASNs)
AS201376:AS-PEERS(42,984 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS-RETN6(44,950 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-INTELSATUS(46,298 ASNs)
AS7606:AS-NSW-IX(46,591 ASNs)
AS7606:AS-ALL(47,090 ASNs)
AS-RETN(47,667 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-NIXSK-RSCLIENTS(55,989 ASNs)
AS47627:AS-NIXSK-RSCLIENTS(56,033 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TELIANETRU(56,840 ASNs)
AS1299:AS-TWELVE99-RU-V4(56,840 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS-TOPIX-RS(57,252 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
AS-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-CAIS(61,483 ASNs)
AS213687:AS-ERA-IX-FRANKFURT(61,777 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS206221:AS-ERA-IX-AMSTERDAM(65,700 ASNs)
AS-ERA-IX(65,707 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 ASNs)
AS-CW6(66,853 ASNs)
... and 216 more
Upstream AS Paths
34 unique paths, avg length 2.3
AS Looking Glass
Upstream paths (matching graph above)
AS21054 IPv4 Address Subnets (15)
| 155.136.0.0/16 | 🇬🇧 GB | RBS-FM-AS | |
| 155.136.0.0/17 | 🇬🇧 GB | RBSG-UK-AS | |
| 155.136.128.0/17 | 🇬🇧 GB | RBSG-UK-AS | |
| 155.136.60.0/22 | 🇬🇧 GB | RBS-FM-AS | |
| 155.136.200.0/23 | 🇬🇧 GB | RBSG-UK-AS | |
| 155.136.202.0/23 | 🇬🇧 GB | RBS-FM-AS | |
| 155.136.144.0/24 | 🇬🇧 GB | RBSG-UK-AS | |
| 155.136.146.0/24 | 🇬🇧 GB | RBSG-UK-AS | |
| 155.136.197.0/24 | 🇬🇧 GB | RBS-FM-AS | |
| 155.136.202.0/24 | 🇬🇧 GB | Akamai Technologies, Inc. | RBS-FM-AS |