HomePrefix Lookup121.6.0.0/17

121.6.0.0/17

🇸🇬
IPv4APNICannouncedAS9506SINGTEL-FIBRE - Singtel Fibre Broadband RPKI Valid
CIDR
121.6.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇸🇬 Singapore
City
Jurong West
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.6.0.0/17AS9506SINGTEL-FIBRE - Singtel Fibre Broadband Valid
APNICRADB
6/13/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
121.6.0.0/16AS9506SINGTEL-FIBRE - Singtel Fibre Broadband Valid—6/13/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
121.6.0.0/16AS3758/24apnic
121.6.0.0/16AS9506/24apnic
121.6.0.0/16AS19905/24apnic

IRR Route Objects

4
OriginRegistryMaintainerModified
AS3758APNICMAINT-SG-SINGNET3/6/2024
AS9506APNICMAINT-SG-SINGNET3/6/2024
AS19905APNICMAINT-SG-SINGNET5/14/2026
AS9506RADBMAINT-AS375811/13/2023

More Specific Prefixes

100
PrefixASCountryStatus
121.6.59.0/24🇸🇬SGassigned
121.6.70.0/24🇸🇬SGassigned
121.6.121.0/24🇸🇬SGassigned
121.6.122.0/24🇸🇬SGassigned
121.6.124.0/24🇸🇬SGassigned
121.6.126.0/24🇸🇬SGassigned
121.6.43.0/24🇸🇬SGassigned
121.6.101.0/24🇸🇬SGassigned
121.6.33.0/24🇸🇬SGassigned
121.6.11.0/24🇸🇬SGassigned
121.6.14.0/24🇸🇬SGassigned
121.6.17.0/24🇸🇬SGassigned
121.6.25.0/24🇸🇬SGassigned
121.6.28.0/24🇸🇬SGassigned
121.6.41.0/24🇸🇬SGassigned
121.6.55.0/24🇸🇬SGassigned
121.6.72.0/24🇸🇬SGassigned
121.6.85.0/24🇸🇬SGassigned
121.6.88.0/24🇸🇬SGassigned
121.6.103.0/24🇸🇬SGassigned
121.6.106.0/24🇸🇬SGassigned
121.6.125.0/24🇸🇬SGassigned
121.6.63.0/24🇸🇬SGassigned
121.6.64.0/24🇸🇬SGassigned
121.6.107.0/24🇸🇬SGassigned
121.6.1.0/24🇸🇬SGassigned
121.6.2.0/24🇸🇬SGassigned
121.6.7.0/24🇸🇬SGassigned
121.6.9.0/24🇸🇬SGassigned
121.6.10.0/24🇸🇬SGassigned
121.6.12.0/24🇸🇬SGassigned
121.6.15.0/24🇸🇬SGassigned
121.6.16.0/24🇸🇬SGassigned
121.6.19.0/24🇸🇬SGassigned
121.6.20.0/24🇸🇬SGassigned
121.6.21.0/24🇸🇬SGassigned
121.6.22.0/24🇸🇬SGassigned
121.6.23.0/24🇸🇬SGassigned
121.6.24.0/24🇸🇬SGassigned
121.6.27.0/24🇸🇬SGassigned
121.6.30.0/24🇸🇬SGassigned
121.6.34.0/24🇸🇬SGassigned
121.6.35.0/24🇸🇬SGassigned
121.6.36.0/24🇸🇬SGassigned
121.6.38.0/24🇸🇬SGassigned
121.6.39.0/24🇸🇬SGassigned
121.6.42.0/24🇸🇬SGassigned
121.6.44.0/24🇸🇬SGassigned
121.6.46.0/24🇸🇬SGassigned
121.6.47.0/24🇸🇬SGassigned
121.6.48.0/24🇸🇬SGassigned
121.6.50.0/24🇸🇬SGassigned
121.6.51.0/24🇸🇬SGassigned
121.6.52.0/24🇸🇬SGassigned
121.6.53.0/24🇸🇬SGassigned
121.6.54.0/24🇸🇬SGassigned
121.6.56.0/24🇸🇬SGassigned
121.6.58.0/24🇸🇬SGassigned
121.6.65.0/24🇸🇬SGassigned
121.6.66.0/24🇸🇬SGassigned
121.6.69.0/24🇸🇬SGassigned
121.6.74.0/24🇸🇬SGassigned
121.6.77.0/24🇸🇬SGassigned
121.6.78.0/24🇸🇬SGassigned
121.6.79.0/24🇸🇬SGassigned
121.6.80.0/24🇸🇬SGassigned
121.6.81.0/24🇸🇬SGassigned
121.6.82.0/24🇸🇬SGassigned
121.6.83.0/24🇸🇬SGassigned
121.6.86.0/24🇸🇬SGassigned
121.6.87.0/24🇸🇬SGassigned
121.6.89.0/24🇸🇬SGassigned
121.6.91.0/24🇸🇬SGassigned
121.6.93.0/24🇸🇬SGassigned
121.6.95.0/24🇸🇬SGassigned
121.6.100.0/24🇸🇬SGassigned
121.6.102.0/24🇸🇬SGassigned
121.6.105.0/24🇸🇬SGassigned
121.6.108.0/24🇸🇬SGassigned
121.6.109.0/24🇸🇬SGassigned
121.6.110.0/24🇸🇬SGassigned
121.6.114.0/24🇸🇬SGassigned
121.6.115.0/24🇸🇬SGassigned
121.6.116.0/24🇸🇬SGassigned
121.6.118.0/24🇸🇬SGassigned
121.6.119.0/24🇸🇬SGassigned
121.6.120.0/24🇸🇬SGassigned
121.6.123.0/24🇸🇬SGassigned
121.6.62.0/24🇸🇬SGassigned
121.6.0.0/24🇸🇬SGassigned
121.6.3.0/24🇸🇬SGassigned
121.6.6.0/24🇸🇬SGassigned
121.6.8.0/24🇸🇬SGassigned
121.6.13.0/24🇸🇬SGassigned
121.6.18.0/24🇸🇬SGassigned
121.6.26.0/24🇸🇬SGassigned
121.6.29.0/24🇸🇬SGassigned
121.6.31.0/24🇸🇬SGassigned
121.6.32.0/24🇸🇬SGassigned
121.6.37.0/24🇸🇬SGassigned
Origin ASN
AS9506
SINGTEL-FIBRE - Singtel Fibre Broadband
Geolocation
Country🇸🇬SingaporeSG
CityJurong West
Coordinates1.3503, 103.7230 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/121.6.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/121.6.0.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP