SUBNET.IM

AS27405University System of New Hampshire

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

65.5k

IPv6 /64s

0

Upstream graph

The networks AS27405 is seen behind, one and two hops out, drawn from real AS paths.

AS27405Toward the internet core
Upstream graph for AS27405: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS27405University System…This networkAS3257GTT Communication…AS11745University System…AS29917University System…AS2497Internet Initiati…AS6667Elisa OyjAS174Cogent Communicat…AS11164Internet2 I2PX

Networks observed one and two hops upstream of AS27405 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

11

adjacent networks

Upstreams
327%
Peers
545%
Downstreams
327%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS27405
NetworkCountryRelationshipPathsVantage pts
AS3257GTT Communications Inc.USPeer12276
AS29917University System of New HampshireUSPeer22
AS11745University System of New HampshireUSPeer22

Prefixes

The largest blocks AS27405 originates, widest first.

Largest prefixes originated by AS27405
PrefixAddressesVisibility
158.136.0.0/1665.5k80/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.