Home Prefix Lookup212.123.192.0/18

212.123.192.0/18 - COLT Technology Services Group Limited (AS8220)

IPv4RIPE NCCallocatedAS8220COLT COLT Technology Services Group Limited RPKI Valid

CIDR

212.123.192.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇳🇱 Netherlands

City

Amsterdam

RIR

RIPE NCC

Status

allocated

Allocated

2000-10-03

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
212.123.192.0/18	AS8220 COLT COLT Technology Services Group Limited	Valid	RIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
212.123.192.0/18	AS8220	/18	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8220	RIPE	COLT-NL-MNT	2002-09-02

More Specific Prefixes

100

Prefix	Country	Status
212.123.192.0/24	🇳🇱NL	assigned
212.123.192.32/27	🇳🇱NL	assigned
212.123.192.64/26	🇳🇱NL	assigned
212.123.193.160/27	🇳🇱NL	assigned
212.123.194.0/24	🇳🇱NL	assigned
212.123.195.0/24	🇳🇱NL	assigned
212.123.196.32/27	🇳🇱NL	assigned
212.123.196.64/27	🇳🇱NL	assigned
212.123.197.0/24	🇳🇱NL	assigned
212.123.198.0/24	🇳🇱NL	assigned
212.123.198.64/26	🇳🇱NL	assigned
212.123.199.160/27	🇳🇱NL	assigned
212.123.200.0/27	🇳🇱NL	assigned
212.123.200.224/27	🇳🇱NL	assigned
212.123.201.0/26	🇳🇱NL	assigned
212.123.201.64/26	🇳🇱NL	assigned
212.123.203.0/26	🇳🇱NL	assigned
212.123.203.64/26	🇳🇱NL	assigned
212.123.204.128/28	🇳🇱NL	assigned
212.123.205.0/24	🇳🇱NL	assigned
212.123.206.0/24	🇮🇹IT	assigned
212.123.206.16/28	🇮🇹IT	assigned
212.123.206.64/26	🇮🇹IT	assigned
212.123.207.0/24	🇳🇱NL	assigned
212.123.208.0/24	🇳🇱NL	assigned
212.123.209.96/27	🇧🇪BE	assigned
212.123.211.96/27	🇩🇪DE	assigned
212.123.211.128/27	🇩🇪DE	assigned
212.123.212.0/24	🇳🇱NL	assigned
212.123.213.0/26	🇳🇱NL	assigned
212.123.213.64/27	🇳🇱NL	assigned
212.123.214.0/24	🇳🇱NL	assigned
212.123.214.128/27	🇳🇱NL	assigned
212.123.215.0/24	🇳🇱NL	assigned
212.123.217.64/27	🇳🇱NL	assigned
212.123.217.160/27	🇳🇱NL	assigned
212.123.217.224/27	🇳🇱NL	assigned
212.123.218.0/26	🇳🇱NL	assigned
212.123.218.64/27	🇳🇱NL	assigned
212.123.219.0/24	🇪🇸ES	assigned
212.123.219.0/25	🇪🇸ES	assigned
212.123.222.0/27	🇳🇱NL	assigned
212.123.224.160/27	🇳🇱NL	assigned
212.123.224.224/28	🇳🇱NL	assigned
212.123.225.64/27	🇳🇱NL	assigned
212.123.225.96/27	🇳🇱NL	assigned
212.123.225.160/28	🇳🇱NL	assigned
212.123.226.0/23	🇳🇱NL	assigned
212.123.226.96/27	🇧🇪BE	assigned
212.123.226.128/27	🇧🇪BE	assigned
212.123.226.192/27	🇳🇱NL	assigned
212.123.227.0/27	🇳🇱NL	assigned
212.123.227.32/27	🇳🇱NL	assigned
212.123.227.80/28	🇳🇱NL	assigned
212.123.227.96/27	🇳🇱NL	assigned
212.123.227.192/26	🇳🇱NL	assigned
212.123.228.0/24	🇳🇱NL	assigned
212.123.228.96/27	🇬🇧GB	assigned
212.123.228.192/27	🇳🇱NL	assigned
212.123.229.64/26	🇳🇱NL	assigned
212.123.229.128/27	🇳🇱NL	assigned
212.123.229.192/26	🇳🇱NL	assigned
212.123.230.64/27	🇳🇱NL	assigned
212.123.230.96/27	🇩🇪DE	assigned
212.123.231.0/26	🇳🇱NL	assigned
212.123.232.48/28	🇳🇱NL	assigned
212.123.232.128/27	🇳🇱NL	assigned
212.123.232.192/27	🇳🇱NL	assigned
212.123.232.224/27	🇳🇱NL	assigned
212.123.233.0/27	🇫🇷FR	assigned
212.123.233.32/27	🇳🇱NL	assigned
212.123.233.96/27	🇳🇱NL	assigned
212.123.235.0/27	🇳🇱NL	assigned
212.123.235.64/27	🇧🇪BE	assigned
212.123.237.0/24	🇩🇪DE	assigned
212.123.238.0/23	🇮🇹IT	assigned
212.123.238.64/27	🇮🇹IT	assigned
212.123.238.160/27	🇮🇹IT	assigned
212.123.239.192/27	🇮🇹IT	assigned
212.123.239.224/27	🇮🇹IT	assigned
212.123.241.96/27	🇳🇱NL	assigned
212.123.241.128/27	🇬🇧GB	assigned
212.123.241.160/27	🇳🇱NL	assigned
212.123.242.96/27	🇳🇱NL	assigned
212.123.245.0/24	🇳🇱NL	assigned
212.123.245.0/26	🇳🇱NL	assigned
212.123.245.192/27	🇳🇱NL	assigned
212.123.247.0/24	🇳🇱NL	assigned
212.123.248.0/26	🇳🇱NL	assigned
212.123.248.128/26	🇳🇱NL	assigned
212.123.248.192/26	🇳🇱NL	assigned
212.123.249.128/26	🇳🇱NL	assigned
212.123.249.192/26	🇳🇱NL	assigned
212.123.251.0/26	🇳🇱NL	assigned
212.123.251.64/26	🇳🇱NL	assigned
212.123.251.192/26	🇳🇱NL	assigned
212.123.252.0/27	🇳🇱NL	assigned
212.123.253.160/27	🇳🇱NL	assigned
212.123.254.64/27	🇩🇪DE	assigned
212.123.255.192/27	🇩🇪DE	assigned

Origin ASN

AS8220

COLT COLT Technology Services Group Limited

Related Prefixes

More prefixes of AS8220

All prefixes of AS8220 →

Geolocation

Country🇳🇱NetherlandsNL

CityAmsterdam

Coordinates52.3676, 4.9041 ↗

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

GEThttps://api.ipctl.io/v1/prefix/212.123.192.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/212.123.192.0/18" | jq

External Links

RIPEstat