AS21928 — T-Mobile USA #uncarrier
AS Name: AS-21928
Description: 21928 T-Mobile USA IP Backbone
Registry: ARIN
⚠️ CIRCL BGP Security Rank: 0.0015% (position 11106)
aut-num: AS21928
as-name: TMobileUSA
descr: T-Mobile USA IP Backbone
import: from AS3356 accept <^AS3356+$>
import: from AS3549 accept <^AS3549+$>
import: from AS6461 accept <^AS6461+$>
export: to AS-ANY announce AS21928
admin-c: Marc Smith
tech-c: Helvin Rudi
tech-c: Marc Smith
notify: cameron.byrne@t-mobile.com
mnt-by: MAINT-AS21928
changed: cameron.byrne@t-mobile.com 20140721 #17:39:23Z
source: RADB
last-modified: 2023-11-13T15:46:37Z
aut-num: AS21928
as-name: AS-21928
descr: 21928
member-of: AS-21928
export: to AS-ANY announce AS21928
admin-c: DNSAD11-ARIN
tech-c: DNSAD11-ARIN
mnt-by: MNT-TMOBI
created: 2024-11-15T16:53:28Z
last-modified: 2024-11-15T16:53:28Z
source: ARIN
Direct Membership
Macros that directly list AS21928 as a member:
AS-TREEN(5 members)
AS40300:AS-IX-CUSTOMERS(36 members)
AS-COMPUTEAZ(66 members)
AS-SFMIX-RS(154 members)
AS-LEVEL3-IPV6(158 members)
AS-ANY2-RS(247 members)
AS-MFNX(421 members)
AS-GBLX(691 members)
AS-LEVEL3-CUSTOMERS-NA(971 members)
AS-XO(994 members)
Expanded Membership
All macros containing AS21928 (directly or via nested macros): 307
Show 100 macros
AS-TREEN(5 ASNs)
AS40300:AS-IX-CUSTOMERS(36 ASNs)
AS-COMPUTEAZ(66 ASNs)
AS-ANY2-RS(247 ASNs)
AS-STARRY(261 ASNs)
AS-SKYWOLF-HK-CUSTOMER(315 ASNs)
AS216449:AS-SKYWOLF-HK-CUSTOMER(329 ASNs)
AS7720:AS-SKYWOLF-HK-CUSTOMER(329 ASNs)
AS-SKYWOLF-US(330 ASNs)
AS-XNNET(333 ASNs)
AS-SKYWOLF-HK(356 ASNs)
AS216449:AS-SKYWOLF-HK(356 ASNs)
AS10111:AS-ZEONET(377 ASNs)
AS7720:AS-SKYWOLF-HK(522 ASNs)
AS202662:AS-HYTRON(577 ASNs)
AS61112:AS-AKILE-CUSTOMER(593 ASNs)
AS212635:AS-BGP-EXCHANGE-FRANKFURT-RS(599 ASNs)
AS48266:AS-CATIXS(628 ASNs)
AS-SKYWOLF(629 ASNs)
AS210796:AS-PEERS(674 ASNs)
AS-LSHIY-CUSTOMERS(711 ASNs)
AS-LSHIY(714 ASNs)
AS214565:AS-TRANSIT(896 ASNs)
AS-GBLX(963 ASNs)
AS-LEVEL3-CUSTOMERS-NA(971 ASNs)
AS17476:AS-CUSTOMERS(1,039 ASNs)
AS138997:AS-HKGIX(1,049 ASNs)
AS138997:AS-ALL(1,088 ASNs)
AS-LEVEL3-CUSTOMERS(1,493 ASNs)
AS-LEVEL3-IPV6(3,475 ASNs)
AS-SFMIX-RS(3,979 ASNs)
AS38439:AS-PEERS(3,980 ASNs)
AS-FOGIXP(4,422 ASNs)
AS213579:AS-IXP(4,422 ASNs)
AS47757:AS-PEERS(4,422 ASNs)
AS215147:AS-PEERS(5,129 ASNs)
AS-XO(23,361 ASNs)
AS-LAMBDA(24,056 ASNs)
AS57369:AS-ONIX(24,726 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)
AS-KCIX-MEMBERS(32,832 ASNs)
AS-ONIX(37,766 ASNs)
AS33495:AS-MEMBERS(39,231 ASNs)
AS-STUIX(41,458 ASNs)
AS201376:AS-PEERS(42,984 ASNs)
AS-RETN6(44,950 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 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)
AS1273:AS-CWW-V6(66,853 ASNs)
AS201561:AS-DECIX-CPH(66,988 ASNs)
AS201561:AS-DECIX-CPH-V6(66,988 ASNs)
AS-SET-INEX-CONNECTED(67,097 ASNs)
AS-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 ASNs)
AS-CW(67,352 ASNs)
AS-SIXSK-SETS(67,561 ASNs)
AS-BIX(68,877 ASNs)
... and 207 more
Upstream AS Paths
189 unique paths, avg length 2.1
AS Looking Glass
Upstream paths (matching graph above)
All 189 Upstream Paths
Complete list of all observed paths
AS293 → AS21928
AS2734 → AS21928
AS4181 → AS21928
AS4826 → AS21928
AS6939 → AS21928
AS9002 → AS21928
AS14041 → AS21928
AS14537 → AS21928
AS19151 → AS21928
AS24482 → AS21928
AS24516 → AS21928
AS32590 → AS21928
AS36236 → AS21928
AS38136 → AS21928
AS38880 → AS21928
AS45437 → AS21928
AS49544 → AS21928
AS52320 → AS21928
AS53828 → AS21928
AS58511 → AS21928
AS61568 → AS21928
AS61573 → AS21928
AS63927 → AS21928
AS63956 → AS21928
AS137409 → AS21928
AS140627 → AS21928
AS199524 → AS21928
AS398465 → AS21928
AS21928 IPv4 Address Subnets (341)
| 100.128.0.0/9 | 🇺🇸 US | USA | AS-21928 |
| 162.160.0.0/11 | 🇺🇸 US | USA | AS-21928 |
| 172.32.0.0/11 | 🇺🇸 US | USA | AS-21928 |
| 162.184.0.0/15 | 🇺🇸 US | USA | AS-21928 |
| 172.58.0.0/15 | 🇺🇸 US | USA | AS-21928 |
| 74.60.0.0/15 | 🇺🇸 US | x | AS-21928 |
| 162.190.0.0/16 | 🇺🇸 US | USA | AS-21928 |
| 162.191.0.0/16 | 🇺🇸 US | x | AS-21928 |
| 167.20.0.0/16 | 🇺🇸 US | x | AS-21928 |
| 172.56.0.0/16 | 🇺🇸 US | USA | AS-21928 |
AS21928 IPv6 Address Subnets (250)
| 2001:4870:150::/44 | 🇺🇸 US | AS-21928 | |
| 2001:4870:e00b::/48 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90::/28 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90::/32 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90::/40 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90:1200::/40 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90:1300::/40 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90:1700::/40 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90:1800::/40 | 🇺🇸 US | USA | AS-21928 |
| 2607:fb90:1c00::/40 | 🇺🇸 US | USA | AS-21928 |