SUBNET.IM

AS13977Fidium

United StatesRegistryARINTypeEyeball

At a glance

IPv4 prefixes

773

IPv6 prefixes

8

IPv4 addresses

836k

IPv6 /64s

5B

Upstream graph

The networks AS13977 is seen behind, one and two hops out, drawn from real AS paths.

AS13977Toward the internet core
Upstream graph for AS13977: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS13977FidiumThis networkAS174Cogent Communicat…AS6461Zayo BandwidthAS22847Bowdoin CollegeAS33422New England Teleh…AS63243SynergentAS1299Arelion (fka. Tel…AS151326DCConnect Communi…AS6667Elisa OyjAS32590Valve CorporationAS13536FirstLight Networ…AS11351Charter Communica…AS32787Akamai (Prolexic)

Networks observed one and two hops upstream of AS13977 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

104

adjacent networks

Upstreams
55%
Peers
5250%
Downstreams
4745%

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

Upstreams of AS13977
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer43,716142
AS174Cogent Communications, LLCUSPeer29,384136
AS63243SynergentUSPeer4141
AS33422New England Telehealth ConsortiumUSPeer3030
AS22847Bowdoin CollegeUSAdjacent33

Prefixes

All 781

The largest blocks AS13977 originates, widest first.

Largest prefixes originated by AS13977
PrefixAddressesVisibility
70.8.0.0/1665.5k79/80
163.252.0.0/1665.5k79/80
69.53.0.0/1732.8k79/80
163.252.0.0/1732.8k79/80
216.212.0.0/1732.8k79/80
64.222.128.0/1816.4k79/80
64.222.192.0/1816.4k79/80
70.8.128.0/1816.4k79/80
163.252.192.0/1816.4k79/80
216.212.0.0/1816.4k79/80

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