168.100.128.0/19
🇸🇬CIDR
168.100.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇸🇬 Singapore
City
SINGAPORE
RIR
APNIC
Status
allocated
Allocated
3/7/1994
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 168.100.144.0/20 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
| 168.100.128.0/21 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
| 168.100.136.0/22 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
| 168.100.140.0/22 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
| 168.100.146.0/23 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
| 168.100.148.0/24 | AS140577AHREFS-AS-AP - Ahrefs Pte Ltd | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 168.100.128.0/19 | AS140577 | /19 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS140577 | APNIC | MAINT-AHREFS-SG | 11/23/2020 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 168.100.144.0/20 | AS140577 | 🇺🇸US | assigned |
| 168.100.140.0/22 | AS140577 | 🇬🇧GB | assigned |
Origin ASN
AS140577
AHREFS-AS-AP - Ahrefs Pte Ltd
Geolocation
Country🇸🇬SingaporeSG
CitySINGAPORE
API
Open https://api.ipctl.io/v1/prefix/168.100.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/168.100.128.0/19" | jq
External Links