SUBNET.IM

AS151981BRAC UNIVERSITY

BangladeshRegistryAPNIC

At a glance

IPv4 prefixes

6

IPv6 prefixes

0

IPv4 addresses

1.8k

IPv6 /64s

0

Upstream graph

The networks AS151981 is seen behind, one and two hops out, drawn from real AS paths.

AS151981Toward the internet core
Upstream graph for AS151981: 10 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS151981BRAC UNIVERSITYThis networkAS23923Agni Systems Limi…AS23956AmberIT LimitedAS58923InterCloud ltdAS63961Bangladesh Resear…AS58655SkyTel Communicat…AS58717Summit Communicat…AS58682Level3 Carrier Lt…AS132267NovoCom LimitedAS17494Bangladesh Telegr…AS132602Bangladesh Submar…

Networks observed one and two hops upstream of AS151981 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

8

adjacent networks

Upstreams
450%
Peers
450%
Downstreams
00%

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

Upstreams of AS151981
NetworkCountryRelationshipPathsVantage pts
AS23923Agni Systems LimitedBDPeer23979
AS58923InterCloud ltdBDPeer15380
AS23956AmberIT LimitedBDPeer8174
AS63961Bangladesh Research and Education Network (BdREN)BDPeer73

Prefixes

The largest blocks AS151981 originates, widest first.

Largest prefixes originated by AS151981
PrefixAddressesVisibility
103.67.66.0/2351280/80
103.67.66.0/2425680/80
103.67.67.0/2425680/80
118.179.57.0/2425680/80
163.53.148.0/2425680/80
182.252.93.0/2425680/80

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