Home Prefix Lookup48.45.0.0/19

48.45.0.0/19 - Comcast Cable Communications (AS7922)

IPv4ARINannouncedAS7922COMCAST-7922 - Comcast Cable Communications, LLC RPKI Valid

CIDR

48.45.0.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇺🇸 United States

City

New York

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
48.45.0.0/19	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11

More-Specific Announcements

9 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
48.45.0.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.2.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.4.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.8.0/22	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.12.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.14.0/23	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.16.0/22	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.20.0/22	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
48.45.24.0/21	AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
48.44.0.0/14	AS7922	/24	arin

Transfer History

Registry transfers of 48.45.0.0/19, blocks inside it, or blocks containing it.

48.44.0.0/14Transfer · 2025-12-10
The Prudential Insurance Company of America
🇺🇸 US ARIN
→
AviationAI
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-12-10	48.44.0.0/14	The Prudential Insurance Company of America 🇺🇸 US ARIN	AviationAI 🇺🇸 US ARIN	Transfer

Origin ASN

AS7922

COMCAST-7922 - Comcast Cable Communications, LLC

Related Prefixes

More prefixes of AS7922

All prefixes of AS7922 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7511, -73.9943 ↗

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/48.45.0.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/48.45.0.0/19" | jq

External Links

RIPEstat