SUBNET.IM

AS16681Educational Testing Service

United StatesRegistryARIN

At a glance

IPv4 prefixes

8

IPv6 prefixes

0

IPv4 addresses

2k

IPv6 /64s

0

Upstream graph

The networks AS16681 is seen behind, one and two hops out, drawn from real AS paths.

AS16681Toward the internet core
Upstream graph for AS16681: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS16681Educational Testi…This networkAS701Verizon BusinessAS7018AT&T Enterprises,…AS3356Lumen (Level 3)AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS16681 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS16681
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer49979
AS701Verizon BusinessUSPeer13480

Prefixes

The largest blocks AS16681 originates, widest first.

Largest prefixes originated by AS16681
PrefixAddressesVisibility
144.81.10.0/2425679/80
144.81.11.0/2425680/80
144.81.53.0/2425679/80
144.81.54.0/2425679/80
144.81.85.0/2425679/80
144.81.97.0/2425679/80
144.81.111.0/2425679/80
144.81.127.0/2425679/80

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