ResearchRouting table, RPKI, IRR & looking glass

AS11745 University System of New Hampshire

AS11745 (USNH) is registered to University System of New Hampshire in US. It originates 3 prefixes in the global routing table.

2
IPv4 prefixes
1
IPv6 prefixes
73,728
IPv4 addresses
66%
RPKI valid

Who holds AS11745

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS11745
Handle
USNH
Organization
University System of New Hampshire
Country
US
ASPA
None published

What AS11745 announces

Prefixes originated by AS11745 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
1
IPv4 addresses
73,728 (288 /24s)
RPKI valid
2 66%
RPKI invalid
0
RPKI not found
1
ROAs naming AS11745
2
With an IRR route object
3 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (2)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS11745 is reached through

The AS just before AS11745 in the paths our looking glass collectors hold, for 3 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
ARINUSNH-UNH-1MNT-USNH

Route objects with origin AS11745: ARIN 4 · ALTDB 2

as-sets that list AS11745 (4)