AS12257 — EMC-AS12257
AS Name: EMC-AS12257
Description: Dell EMC Corporation ASN
Registry: RADB
aut-num: AS12257
as-name: EMC-AS12257
descr: Dell EMC Corporation ASN
admin-c: DUMMY-RADB
tech-c: DUMMY-RADB
tech-c: DUMMY-RADB
tech-c: DUMMY-RADB
mnt-by: MAINT-DELL
changed: support@radb.net 20240910
source: RADB
last-modified: 2024-09-10T18:50:20Z
Direct Membership
Macros that directly list AS12257 as a member:
AS702:AS-IE-CUSTOMER(17 members)
AS-COLTIE(46 members)
AS8220:AS-COLTIE(48 members)
AS-BT-DE(53 members)
AS-BTIRE(69 members)
AS-HOTNET-IL(113 members)
AS-EC-DC(116 members)
AS-IMDC(127 members)
AS-CTSH(130 members)
AS-UNITAS-CUSTOMERS(130 members)
AS-TEDATA(146 members)
AS-IGNEMEA(147 members)
AS12025:AS-CUSTOMERS(152 members)
AS1273:AS-CWW(221 members)
AS-GOLDEN(238 members)
AS-SINGTEL(277 members)
AS-SH-CUST(302 members)
AS-NV(355 members)
AS-UDOS(1177 members)
AS-PROLE(1180 members)
AS-VSNL-IN(1809 members)
AS-ANC-CUSTOMER-PROXY-REGISTER(2405 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 AS12257 (directly or via nested macros): 423
Show 100 macros
AS702:AS-IE-CUSTOMER(16 ASNs)
AS-BT-DE(52 ASNs)
AS-COLTIE(66 ASNs)
AS8220:AS-COLTIE(68 ASNs)
AS-BTIRE(95 ASNs)
AS-BT-IE(104 ASNs)
AS-HOTNET-IL(113 ASNs)
AS-EC-DC(116 ASNs)
AS-EQUINIX-DC(117 ASNs)
AS-IMDC(127 ASNs)
AS-CTSH(130 ASNs)
AS-IGNEMEA(147 ASNs)
AS12025:AS-CUSTOMERS(152 ASNs)
AS12025:AS-CONE(156 ASNs)
AS-IGN(198 ASNs)
AS-COLTNL(303 ASNs)
AS8220:AS-COLTNL(303 ASNs)
AS-EQUINIX-EC(324 ASNs)
AS-1680(481 ASNs)
AS-NV(481 ASNs)
AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS15830:AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS-COLTUK(613 ASNs)
AS8220:AS-COLTUK(615 ASNs)
AS8220:AS-COLTDE(725 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)
AS15830:AS-EQUINIX-AMER(1,376 ASNs)
AS-UDOS(1,556 ASNs)
AS-GOLDEN(1,808 ASNs)
AS-ANC-CUSTOMER-PROXY-REGISTER(2,405 ASNs)
AS-COLTEU(3,133 ASNs)
AS8220:AS-COLTEU(3,155 ASNs)
AS1221:AS-CUSTOMERS(3,327 ASNs)
AS1221:AS-TELSTRA(3,328 ASNs)
AS-COLT(3,372 ASNs)
AS-DATAMENA(3,379 ASNs)
AS-EITC-DU(3,446 ASNs)
AS-EQUINIX(3,591 ASNs)
AS15830:AS-EQUINIX(3,591 ASNs)
AS4826:AS-CUSTOMERS(3,766 ASNs)
AS-VOCUS(3,767 ASNs)
AS4826:AS-VOCUS(3,767 ASNs)
AS-F5(3,824 ASNs)
AS35280:AS-F5(3,830 ASNs)
AS-IBSCUST(3,862 ASNs)
AS8220:AS-COLT(3,925 ASNs)
AS-ACORUS(3,961 ASNs)
AS-BEZEQINT(3,973 ASNs)
AS-PACNET(4,289 ASNs)
AS-ATRATO(4,334 ASNs)
AS-ATRATO6(4,334 ASNs)
AS-HIBERNIA(4,334 ASNs)
AS-ANC(4,335 ASNs)
AS-BIGPIPE(4,349 ASNs)
AS-SEABONECUSTIT(4,379 ASNs)
AS-SOFIA-CONNECT(4,627 ASNs)
AS-KPN(4,751 ASNs)
AS-KPNV6(4,751 ASNs)
AS-KQ(4,751 ASNs)
AS-CLARANETFR-PEERINGS(4,820 ASNs)
AS7606:AS-SA-IX(4,843 ASNs)
AS-UNITAS(4,908 ASNs)
AS-UNITAS-CUSTOMERS(4,908 ASNs)
AS-LIMELIGHT-CUST(4,913 ASNs)
AS-LIMELIGHT(4,922 ASNs)
AS-LLNW(4,943 ASNs)
AS-BELL(5,257 ASNs)
AS577:AS-CUSTOMERS(5,257 ASNs)
AS-RCN-CE-PEERS(5,340 ASNs)
AS7474:AS-CUSTOMERS(6,144 ASNs)
AS7474:AS-OPTUS(6,145 ASNs)
AS-OTEGLOBE(6,779 ASNs)
AS-OPTUS(7,043 ASNs)
AS-SH-CUST(7,354 ASNs)
AS-STARHUBINTERNET(7,359 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS-UUNETEUUK(8,356 ASNs)
AS702:AS-UK-CUSTOMER(8,356 ASNs)
AS-SINGTEL(9,176 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-EDGEUNO-TR(10,995 ASNs)
AS-TEDATA(11,427 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS-EUNET(13,944 ASNs)
AS2914:AS-SA-V6(14,359 ASNs)
AS2914:AS-SA(14,363 ASNs)
AS-SAIX(15,195 ASNs)
AS-STIX(18,626 ASNs)
AS-1031-PEER1(18,971 ASNs)
... and 323 more
Upstream AS Paths
186 unique paths, avg length 2.5
AS Looking Glass
Upstream paths (matching graph above)
All 186 Upstream Paths
Complete list of all observed paths
AS12257 IPv4 Address Subnets (70)
| 12.7.200.0/24 | 🇺🇸 US | AC_DELL | vercara-udos |
| 128.221.192.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.208.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.209.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.212.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.213.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.214.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.215.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.216.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
| 128.221.217.0/24 | 🇺🇸 US | Dell Technologies USDUR4121 United States of Ameri… | EMC-AS12257 |
AS12257 IPv6 Address Subnets (5)
| 2607:f2b1:70::/48 | 🇺🇸 US | EMC-AS12257 | |
| 2607:f2b1:71::/48 | 🇺🇸 US | EMC-AS12257 | |
| 2620:145:400::/48 | 🇺🇸 US | EMC-AS12257 | |
| 2620:145:800::/38 | 🇺🇸 US | EMC-AS12257 | |
| 2a01:6f40:f100::/48 | 🇺🇸 US | Dell Technologies ILIHA02 PGNET | EMC-AS12257 |