HomePrefix Lookup121.7.128.0/17

121.7.128.0/17

🇸🇬
IPv4APNICannouncedAS9506SINGTEL-FIBRE - Singtel Fibre Broadband RPKI Valid
CIDR
121.7.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇸🇬 Singapore
City
Ulu Bedok
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.7.128.0/17AS9506SINGTEL-FIBRE - Singtel Fibre Broadband Valid
APNICRADB
6/13/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
121.7.0.0/16AS9506SINGTEL-FIBRE - Singtel Fibre Broadband Valid—6/13/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
121.7.0.0/16AS3758/24apnic
121.7.0.0/16AS9506/24apnic

IRR Route Objects

3
OriginRegistryMaintainerModified
AS3758APNICMAINT-SG-SINGNET3/13/2024
AS9506APNICMAINT-SG-SINGNET3/13/2024
AS9506RADBMAINT-AS375811/13/2023

More Specific Prefixes

100
PrefixASCountryStatus
121.7.213.0/24🇸🇬SGassigned
121.7.136.0/24🇸🇬SGassigned
121.7.206.0/24🇸🇬SGassigned
121.7.180.0/24🇸🇬SGassigned
121.7.143.0/24🇸🇬SGassigned
121.7.181.0/24🇸🇬SGassigned
121.7.191.0/24🇸🇬SGassigned
121.7.163.0/24🇸🇬SGassigned
121.7.245.0/24🇸🇬SGassigned
121.7.133.0/24🇸🇬SGassigned
121.7.138.0/24🇸🇬SGassigned
121.7.153.0/24🇸🇬SGassigned
121.7.154.0/24🇸🇬SGassigned
121.7.168.0/24🇸🇬SGassigned
121.7.170.0/24🇸🇬SGassigned
121.7.172.0/24🇸🇬SGassigned
121.7.174.0/24🇸🇬SGassigned
121.7.197.0/24🇸🇬SGassigned
121.7.198.0/24🇸🇬SGassigned
121.7.205.0/24🇸🇬SGassigned
121.7.228.0/24🇸🇬SGassigned
121.7.232.0/24🇸🇬SGassigned
121.7.233.0/24🇸🇬SGassigned
121.7.238.0/24🇸🇬SGassigned
121.7.240.0/24🇸🇬SGassigned
121.7.252.0/24🇸🇬SGassigned
121.7.253.0/24🇸🇬SGassigned
121.7.155.0/24🇸🇬SGassigned
121.7.199.0/24🇸🇬SGassigned
121.7.214.0/24🇸🇬SGassigned
121.7.248.0/24🇸🇬SGassigned
121.7.128.0/24🇸🇬SGassigned
121.7.129.0/24🇸🇬SGassigned
121.7.130.0/24🇸🇬SGassigned
121.7.131.0/24🇸🇬SGassigned
121.7.132.0/24🇸🇬SGassigned
121.7.134.0/24🇸🇬SGassigned
121.7.135.0/24🇸🇬SGassigned
121.7.139.0/24🇸🇬SGassigned
121.7.141.0/24🇸🇬SGassigned
121.7.144.0/24🇸🇬SGassigned
121.7.145.0/24🇸🇬SGassigned
121.7.147.0/24🇸🇬SGassigned
121.7.152.0/24🇸🇬SGassigned
121.7.156.0/24🇸🇬SGassigned
121.7.157.0/24🇸🇬SGassigned
121.7.158.0/24🇸🇬SGassigned
121.7.165.0/24🇸🇬SGassigned
121.7.166.0/24🇸🇬SGassigned
121.7.167.0/24🇸🇬SGassigned
121.7.169.0/24🇸🇬SGassigned
121.7.171.0/24🇸🇬SGassigned
121.7.173.0/24🇸🇬SGassigned
121.7.175.0/24🇸🇬SGassigned
121.7.179.0/24🇸🇬SGassigned
121.7.183.0/24🇸🇬SGassigned
121.7.184.0/24🇸🇬SGassigned
121.7.186.0/24🇸🇬SGassigned
121.7.187.0/24🇸🇬SGassigned
121.7.188.0/24🇸🇬SGassigned
121.7.192.0/24🇸🇬SGassigned
121.7.193.0/24🇸🇬SGassigned
121.7.194.0/24🇸🇬SGassigned
121.7.196.0/24🇸🇬SGassigned
121.7.200.0/24🇸🇬SGassigned
121.7.202.0/24🇸🇬SGassigned
121.7.203.0/24🇸🇬SGassigned
121.7.204.0/24🇸🇬SGassigned
121.7.207.0/24🇸🇬SGassigned
121.7.210.0/24🇸🇬SGassigned
121.7.211.0/24🇸🇬SGassigned
121.7.212.0/24🇸🇬SGassigned
121.7.216.0/24🇸🇬SGassigned
121.7.218.0/24🇸🇬SGassigned
121.7.219.0/24🇸🇬SGassigned
121.7.221.0/24🇸🇬SGassigned
121.7.225.0/24🇸🇬SGassigned
121.7.230.0/24🇸🇬SGassigned
121.7.235.0/24🇸🇬SGassigned
121.7.239.0/24🇸🇬SGassigned
121.7.243.0/24🇸🇬SGassigned
121.7.246.0/24🇸🇬SGassigned
121.7.247.0/24🇸🇬SGassigned
121.7.250.0/24🇸🇬SGassigned
121.7.255.0/24🇸🇬SGassigned
121.7.137.0/24🇸🇬SGassigned
121.7.140.0/24🇸🇬SGassigned
121.7.142.0/24🇸🇬SGassigned
121.7.146.0/24🇸🇬SGassigned
121.7.150.0/24🇸🇬SGassigned
121.7.159.0/24🇸🇬SGassigned
121.7.160.0/24🇸🇬SGassigned
121.7.161.0/24🇸🇬SGassigned
121.7.162.0/24🇸🇬SGassigned
121.7.164.0/24🇸🇬SGassigned
121.7.177.0/24🇸🇬SGassigned
121.7.178.0/24🇸🇬SGassigned
121.7.182.0/24🇸🇬SGassigned
121.7.185.0/24🇸🇬SGassigned
121.7.189.0/24🇸🇬SGassigned
Origin ASN
AS9506
SINGTEL-FIBRE - Singtel Fibre Broadband
Geolocation
Country🇸🇬SingaporeSG
CityUlu Bedok
Coordinates1.3333, 103.9330 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/121.7.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/121.7.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP