Home Prefix Lookup5.154.128.0/19

5.154.128.0/19 - BGP Prefix

IPv4RIPE NCCallocatedNo ROA

CIDR

5.154.128.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇬🇧 United Kingdom

City

London

RIR

RIPE NCC

Status

allocated

Allocated

2012-07-19

Announced BGP Routes

0 of 0 routes

RPKI:

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

11 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
5.154.130.0/24	AS23764 CTGNet - CTGNet	No ROA	-	2026-10-12
5.154.144.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.145.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.146.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.147.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.154.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.155.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.156.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.157.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.158.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12
5.154.159.0/24	AS23764 CTGNet - CTGNet	Valid	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4809	Other IRR	MAINT-CT-GNOC	2023-11-13

More Specific Prefixes

Prefix	AS	Country	Status
5.154.128.0/24		🇬🇧GB	assigned
5.154.129.0/32		🇬🇧GB	assigned
5.154.130.0/24	AS23764	🇬🇧GB	assigned
5.154.131.0/24		🇬🇧GB	assigned
5.154.132.0/24		🇳🇱NL	assigned
5.154.133.0/24		🇳🇱NL	assigned
5.154.134.0/24		🇳🇱NL	assigned
5.154.135.0/24		🇳🇱NL	assigned
5.154.136.0/24		🇨🇿CZ	assigned
5.154.137.0/24		🇨🇿CZ	assigned
5.154.138.0/24		🇮🇹IT	assigned
5.154.139.0/24		🇮🇹IT	assigned
5.154.140.0/24		🇸🇪SE	assigned
5.154.141.0/24		🇸🇪SE	assigned
5.154.142.0/24		🇸🇪SE	assigned
5.154.143.0/24		🇸🇪SE	assigned
5.154.144.0/20		🇩🇪DE	assigned
5.154.144.0/24	AS23764	🇩🇪DE	assigned
5.154.145.0/24	AS23764	🇩🇪DE	assigned
5.154.146.0/24	AS23764	🇩🇪DE	assigned
5.154.147.0/24	AS23764	🇩🇪DE	assigned
5.154.148.0/24		🇩🇪DE	assigned
5.154.149.0/24		🇩🇪DE	assigned
5.154.150.0/24		🇩🇪DE	assigned
5.154.151.0/24		🇩🇪DE	assigned
5.154.152.0/24		🇩🇪DE	assigned
5.154.153.0/24		🇩🇪DE	assigned
5.154.154.0/24	AS23764	🇬🇧GB	assigned
5.154.155.0/24	AS23764	🇬🇧GB	assigned
5.154.156.0/24	AS23764	🇩🇪DE	assigned
5.154.157.0/24	AS23764	🇫🇷FR	assigned
5.154.158.0/24	AS23764	🇫🇷FR	assigned
5.154.159.0/24	AS23764	🇫🇷FR	assigned

Transfer History

Registry transfers of 5.154.128.0/19, blocks inside it, or blocks containing it.

5.154.128.0/19Transfer · 2015-04-17
NAV DATACENTER TELECOM SRL
RIPE NCC
→
China Telecom Europe Ltd.
RIPE NCC

Date	Resource	From	To	Type
2015-04-17	5.154.128.0/19	NAV DATACENTER TELECOM SRL RIPE NCC	China Telecom Europe Ltd. RIPE NCC	Transfer

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.4968, -0.0179 ↗

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/5.154.128.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/5.154.128.0/19" | jq

External Links

RIPEstat