Home Prefix Lookup70.241.208.0/20

70.241.208.0/20 - Southwest Texas Junior College (AS13939)

IPv4ARINannouncedAS13939SWTJC - Southwest Texas Junior College RPKI Valid

CIDR

70.241.208.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Uvalde

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
70.241.208.0/20	AS13939 SWTJC - Southwest Texas Junior College	Valid	ARINOther IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
70.241.0.0/16	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
70.241.208.0/20	AS13939	/24	arin
70.241.0.0/16	AS7018	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS13939	ARIN	MNT-AEL-360	2026-05-28
AS13939	Other IRR	MAINT-RR	2026-08-12

Transfer History

Registry transfers of 70.241.208.0/20, blocks inside it, or blocks containing it.

70.241.0.0/16M&A · 2024-12-05
AT&T Corp.
🇺🇸 US ARIN
→
AT&T Enterprises, LLC
🇺🇸 US ARIN
70.241.0.0/16M&A · 2018-07-19
AT&T Internet Services
🇺🇸 US ARIN
→
AT&T Corp.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2024-12-05	70.241.0.0/16	AT&T Corp. 🇺🇸 US ARIN	AT&T Enterprises, LLC 🇺🇸 US ARIN	M&A
2018-07-19	70.241.0.0/16	AT&T Internet Services 🇺🇸 US ARIN	AT&T Corp. 🇺🇸 US ARIN	M&A

Origin ASN

AS13939

SWTJC - Southwest Texas Junior College

Related Prefixes

Covering prefix

70.241.0.0/16AS7018

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityUvalde

Coordinates29.2196, -99.7404 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/70.241.208.0/20

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/70.241.208.0/20" | jq

External Links

RIPEstat