Home Prefix Lookup208.103.64.0/20

208.103.64.0/20 - Breezeline (AS11776)

IPv4ARINallocatedAS11776ATLANTICBB-JOHNSTOWN - Breezeline RPKI Valid

CIDR

208.103.64.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Montville Center

RIR

ARIN

Status

allocated

Allocated

2007-04-11

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
208.103.64.0/20	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	ARIN	2026-10-13

More-Specific Announcements

5 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
208.103.64.0/21	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	-	2026-10-13
208.103.72.0/21	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	-	2026-10-13
208.103.72.0/22	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	-	2026-10-13
208.103.76.0/24	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	-	2026-10-13
208.103.78.0/23	AS11776 ATLANTICBB-JOHNSTOWN - Breezeline	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
208.103.64.0/20	AS11776	/20	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS11776	ARIN	MNT-ATLAN-19	2026-06-17

Transfer History

Registry transfers of 208.103.64.0/20, blocks inside it, or blocks containing it.

208.103.64.0/20M&A · 2015-12-29
MetroCast Communications of Connecticut, LLC
🇺🇸 US ARIN
→
Atlantic Broadband Finance, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2015-12-29	208.103.64.0/20	MetroCast Communications of Connecticut, LLC 🇺🇸 US ARIN	Atlantic Broadband Finance, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS11776

ATLANTICBB-JOHNSTOWN - Breezeline

Related Prefixes

More prefixes of AS11776

All prefixes of AS11776 →

Geolocation

Country🇺🇸United StatesUS

RegionConnecticut

CityMontville Center

Coordinates41.4640, -72.1556 ↗

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/208.103.64.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/208.103.64.0/20" | jq

External Links

RIPEstat