Home Prefix Lookup217.147.128.0/20

217.147.128.0/20 - Cogent Communications (AS174)

IPv4RIPE NCCallocatedAS174COGENT-174 - Cogent Communications, LLCNo ROA

CIDR

217.147.128.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇮🇹 Italy

City

Milan

RIR

RIPE NCC

Status

allocated

Allocated

2001-03-02

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
217.147.128.0/20	AS174 COGENT-174 - Cogent Communications, LLC	No ROA	RIPE	2026-10-15

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS174	RIPE	SPRINTLINK-MNT	2023-06-07
AS1239	RIPE	SPRINTLINK-MNT	2021-11-30

More Specific Prefixes

Prefix	Country	Status
217.147.128.0/23	🇮🇹IT	assigned
217.147.130.64/29	🇮🇹IT	assigned
217.147.130.72/29	🇮🇹IT	assigned
217.147.130.160/29	🇮🇹IT	assigned
217.147.130.168/29	🇮🇹IT	assigned
217.147.130.192/28	🇮🇹IT	assigned
217.147.130.216/31	🇮🇹IT	assigned
217.147.130.218/32	🇮🇹IT	assigned
217.147.130.219/32	🇮🇹IT	assigned
217.147.130.248/29	🇮🇹IT	assigned
217.147.131.128/27	🇸🇿SZ	assigned
217.147.131.184/29	🇦🇪AE	assigned
217.147.131.208/28	🇮🇹IT	assigned
217.147.140.0/28	🇮🇹IT	assigned
217.147.140.16/28	🇮🇹IT	assigned
217.147.140.32/28	🇮🇹IT	assigned
217.147.140.96/29	🇫🇷FR	assigned
217.147.140.112/28	🇮🇹IT	assigned
217.147.143.0/24	🇮🇹IT	assigned

Transfer History

Registry transfers of 217.147.128.0/20, blocks inside it, or blocks containing it.

217.147.128.0/20M&A · 2024-08-14
Sprintlink Italy Srl
RIPE NCC
→
Cogent Communications Italia S.R.L.
RIPE NCC

Date	Resource	From	To	Type
2024-08-14	217.147.128.0/20	Sprintlink Italy Srl RIPE NCC	Cogent Communications Italia S.R.L. RIPE NCC	M&A

Origin ASN

AS174

COGENT-174 - Cogent Communications, LLC

Related Prefixes

More prefixes of AS174

All prefixes of AS174 →

Geolocation

Country🇮🇹ItalyIT

RegionLombardy

CityMilan

Coordinates45.4586, 9.1819 ↗

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/217.147.128.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/217.147.128.0/20" | jq

External Links

RIPEstat