Home Prefix Lookup208.81.128.0/21

208.81.128.0/21 - Cogent Communications (AS174)

IPv4ARINallocatedAS174COGENT-174 - Cogent Communications, LLCNo ROA

CIDR

208.81.128.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Burbank

RIR

ARIN

Status

allocated

Allocated

2007-08-16

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
208.81.128.0/21	AS174 COGENT-174 - Cogent Communications, LLC	No ROA	-	2026-10-15

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS23052	Other IRR	MAINT-RR	2023-11-13

Transfer History

Registry transfers of 208.81.128.0/21, blocks inside it, or blocks containing it.

208.81.128.0/21M&A · 2017-01-13
ihost Solutions, Inc.
🇺🇸 US ARIN
→
PleskLogin Net
🇺🇸 US ARIN

Date	Resource	From	To	Type
2017-01-13	208.81.128.0/21	ihost Solutions, Inc. 🇺🇸 US ARIN	PleskLogin Net 🇺🇸 US ARIN	M&A

Origin ASN

AS174

COGENT-174 - Cogent Communications, LLC

Related Prefixes

More prefixes of AS174

All prefixes of AS174 →

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CityBurbank

Coordinates34.1846, -118.3090 ↗

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/208.81.128.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/208.81.128.0/21" | jq

External Links

RIPEstat