Home Prefix Lookup2001:48e8::/29

2001:48e8::/29 - UMASSNET (AS1968)

IPv6ARINallocatedAS1968UMASSNET-AS1968 - UMASSNETNo ROA

CIDR

2001:48e8::/29

IP Version

IPv6

Addresses

633825.3Y

Mask

/29

Country

🇺🇸 United States

City

Shrewsbury

RIR

ARIN

Status

allocated

Allocated

2005-06-20

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:48e8::/29	AS1968 UMASSNET-AS1968 - UMASSNET	No ROA	ARIN	2026-10-11

More-Specific Announcements

5 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:48e8:1000::/40	AS168 UMASS-AMHERST - University of Massachusetts - AMHERST	No ROA	-	2026-10-11
2001:48e8:6400::/44	AS1929 UMASSNET-NET - University of Massachusetts - AMHERST	No ROA	-	2026-10-11
2001:48e8:6400::/48	AS1929 UMASSNET-NET - University of Massachusetts - AMHERST	No ROA	-	2026-10-11
2001:48e8:6402::/48	AS1929 UMASSNET-NET - University of Massachusetts - AMHERST	No ROA	-	2026-10-11
2001:48e8:6b00::/45	AS1968 UMASSNET-AS1968 - UMASSNET	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS1968	ARIN	MNT-UMAP	2026-05-05
AS198949	Other IRR	MAINT-AS198949	2025-02-23

Origin ASN

AS1968

UMASSNET-AS1968 - UMASSNET

Related Prefixes

More prefixes of AS1968

All prefixes of AS1968 →

Geolocation

Country🇺🇸United StatesUS

RegionMassachusetts

CityShrewsbury

Coordinates42.2742, -71.6894 ↗

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/2001:48e8::/29

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

curl -s "https://api.ipctl.io/v1/prefix/2001:48e8::/29" | jq

External Links

RIPEstat