HomePrefix Lookup165.21.0.0/16

165.21.0.0/16 - SINGNET (AS3758)

IPv4APNICallocatedAS3758SINGNET SingNet RPKI Valid
CIDR
165.21.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
πŸ‡ΈπŸ‡¬ Singapore
City
Singapore (Queenstown Estate)
RIR
APNIC
Status
allocated
Allocated
1993-03-31

Announced BGP Routes

1 of 1 route
RPKI:
IRR:

Swipe sideways to see all columns β†’

PrefixOrigin ASRPKIIRRLast Seen
165.21.0.0/16AS3758 SINGNET SingNet Valid
APNICOther IRR
2026-10-11

More-Specific Announcements

37 more-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
165.21.18.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.19.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.24.0/21AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.24.0/22AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.28.0/23AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.31.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.36.0/23AS3758 SINGNET SingNet Valid-2026-10-11
165.21.49.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.50.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.64.0/22AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.68.0/23AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.70.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.71.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.72.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.75.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.76.0/23AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.78.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.88.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.91.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.93.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.94.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.95.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.104.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.108.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.109.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.112.0/21AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.122.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.123.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.124.0/22AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.128.0/22AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.134.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.135.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.154.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.155.0/24AS9506 SINGTEL-FIBRE Singtel Fibre Broadband Valid-2026-10-11
165.21.238.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.244.0/24AS3758 SINGNET SingNet Valid-2026-10-11
165.21.246.0/24AS3758 SINGNET SingNet Valid-2026-10-11

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
165.21.0.0/16AS3758/24apnic
165.21.0.0/16AS19905/24apnic

IRR Route Objects

3
OriginRegistryMaintainerModified
AS3758APNICMAINT-SG-SINGNET2019-10-24
AS19905APNICMAINT-SG-SINGNET2024-08-23
AS3758Other IRRMAINT-AS37582023-11-13

More Specific Prefixes

100
PrefixASCountryStatus
165.21.1.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.5.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.6.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.7.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.8.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.10.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.12.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.20.0/26πŸ‡ΈπŸ‡¬SGassigned
165.21.20.64/26πŸ‡ΈπŸ‡¬SGassigned
165.21.21.0/25πŸ‡ΈπŸ‡¬SGassigned
165.21.21.128/25πŸ‡ΈπŸ‡¬SGassigned
165.21.31.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.36.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.37.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.38.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.42.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.50.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.51.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.52.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.52.0/26πŸ‡ΈπŸ‡¬SGassigned
165.21.53.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.54.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.55.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.56.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.57.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.58.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.59.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.62.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.63.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.70.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.71.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.72.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.74.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.75.0/24AS9506πŸ‡ΈπŸ‡¬SGassigned
165.21.80.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.81.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.83.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.85.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.88.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.89.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.93.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.94.0/24AS3758πŸ‡ΈπŸ‡¬SGassigned
165.21.100.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.101.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.103.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.111.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.121.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.138.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.139.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.140.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.142.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.144.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.145.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.154.0/24AS9506πŸ‡ΈπŸ‡¬SGassigned
165.21.155.0/24AS9506πŸ‡ΈπŸ‡¬SGassigned
165.21.160.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.161.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.162.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.163.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.164.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.165.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.166.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.167.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.168.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.169.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.170.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.171.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.172.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.173.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.174.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.175.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.184.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.185.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.186.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.187.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.188.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.189.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.190.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.191.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.193.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.208.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.209.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.210.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.211.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.212.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.213.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.214.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.215.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.224.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.225.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.226.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.227.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.228.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.229.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.230.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.231.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.241.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.248.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.249.0/24πŸ‡ΈπŸ‡¬SGassigned
165.21.255.0/24πŸ‡ΈπŸ‡¬SGassigned
Geolocation
CountryπŸ‡ΈπŸ‡¬SingaporeSG
CitySingapore (Queenstown Estate)

Learn more

GEThttps://api.ipctl.io/v1/prefix/165.21.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/165.21.0.0/16" | jq
External Links