172.241.0.0/21 - (AS61107)
CIDR
172.241.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Amsterdam (Amsterdam-Zuidoost)
RIR
RIPE NCC
Status
allocated
Allocated
2013-04-08
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.241.0.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.1.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.2.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.3.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.4.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.5.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.6.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
| 172.241.7.0/24 | AS7979 SERVERS-COM - Servers.com, Inc. | No ROA | - | 2026-10-13 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7979 | Other IRR | MAINT-AS46786 | 2025-05-30 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 172.241.0.0/22 | 🇳🇱NL | assigned | |
| 172.241.4.0/23 | 🇸🇬SG | assigned | |
| 172.241.6.0/23 | 🇸🇬SG | assigned |
Transfer History
Registry transfers of 172.241.0.0/21, blocks inside it, or blocks containing it.
- 172.241.0.0/21inter-RIRTransfer ·
Origin ASN
AS61107
Geolocation
Country🇳🇱The NetherlandsNL
RegionNorth Holland
CityAmsterdam (Amsterdam-Zuidoost)
Coordinates52.3098, 4.9353 ↗
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/172.241.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.241.0.0/21" | jq
External Links