ResearchRouting table, RPKI, IRR & looking glass

AS138146 Mohammad SAHIDUL ISLAM

AS138146 (NORTHBENGALONLINE-AS-AP) is registered to Mohammad SAHIDUL ISLAM in BD. It originates 18 prefixes in the global routing table.

4
IPv4 prefixes
14
IPv6 prefixes
1,024
IPv4 addresses
66%
RPKI valid

Who holds AS138146

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

AS number
AS138146
Handle
NORTHBENGALONLINE-AS-AP
Organization
Mohammad SAHIDUL ISLAM
Country
BD
ASPA
None published

What AS138146 announces

Prefixes originated by AS138146 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
14
IPv4 addresses
1,024 (4 /24s)
RPKI valid
12 66%
RPKI invalid
6
RPKI not found
0
ROAs naming AS138146
12
With an IRR route object
12 66%

Announced prefixes

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

Who AS138146 is reached through

The AS just before AS138146 in the paths our looking glass collectors hold, for 18 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.