AS17133 T-FIBER - T-Mobile USA, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

22total

22 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)22,528

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2000-07-28

Announced Prefixes

(BGP)22

Prefix	RPKI	IRR	Last Seen
64.13.6.0/23	Valid	-	2026-10-10
64.13.8.0/23	Valid	-	2026-10-10
64.13.10.0/23	Valid	-	2026-10-10
64.13.12.0/23	Valid	-	2026-10-10
64.13.14.0/23	Valid	-	2026-10-10
64.13.16.0/20	Valid	-	2026-10-10
64.13.32.0/21	Valid	-	2026-10-10
64.13.40.0/23	Valid	-	2026-10-10
64.13.42.0/23	Valid	-	2026-10-10
64.13.44.0/23	Valid	-	2026-10-10

1-10 of 22

1 / 3

(seen in AS paths)

Networks AS17133 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS17133 between organisations.

Date	Resource	From	To	Type
2020-12-31	AS17133	Sprint Communications, Inc. 🇺🇸 US ARIN	T-Mobile USA, Inc. 🇺🇸 US ARIN	M&A
2015-08-13	AS17133	Nextel Communications, Inc. 🇺🇸 US ARIN	Sprint Communications, Inc. 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS17133 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/17133" | jq