Home Prefix Lookup51.179.0.0/17

51.179.0.0/17 - OPNET (AS198471)

IPv4RIPE NCCallocatedAS198471OPNET-AS Opnet SrlNo ROA

CIDR

51.179.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇮🇹 Italy

City

Bentivoglio

RIR

RIPE NCC

Status

allocated

Allocated

1993-09-01

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

77 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
51.179.0.0/19	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.0.0/20	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.16.0/20	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.32.0/22	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.32.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.33.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.34.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.35.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.36.0/22	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.36.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.37.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.38.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.39.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.40.0/22	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.40.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.41.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.42.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.43.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.44.0/22	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.44.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.45.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.46.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.47.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.48.0/22	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.48.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.49.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.50.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.51.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.52.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.53.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.54.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.55.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.56.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.57.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.58.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.59.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.64.0/20	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.80.0/20	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.96.0/19	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.96.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.97.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.98.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.98.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.99.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.100.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.100.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.101.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.102.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.102.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.103.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.104.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.105.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.106.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.106.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.107.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.108.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.108.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.109.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.110.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.111.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.112.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.113.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.114.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.114.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.115.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.116.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.116.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.117.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.118.0/23	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.118.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.119.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.120.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.121.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.122.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.124.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.125.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11
51.179.127.0/24	AS198471 OPNET-AS Opnet Srl	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS198471	RIPE	LINKEM-MNT	2020-05-06

More Specific Prefixes

Prefix	AS	Country	Status
51.179.0.0/18		🇮🇹IT	assigned
51.179.64.0/18		🇮🇹IT	assigned

Transfer History

Registry transfers of 51.179.0.0/17, blocks inside it, or blocks containing it.

51.179.0.0/17Transfer · 2025-05-14
SHELLNET S.P.A.
RIPE NCC
→
Opnet Srl
RIPE NCC

Date	Resource	From	To	Type
2025-05-14	51.179.0.0/17	SHELLNET S.P.A. RIPE NCC	Opnet Srl RIPE NCC	Transfer

Origin ASN

AS198471

OPNET-AS Opnet Srl

Related Prefixes

More prefixes of AS198471

All prefixes of AS198471 →

Geolocation

Country🇮🇹ItalyIT

RegionEmilia-Romagna

CityBentivoglio

Coordinates44.6369, 11.4174 ↗

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/51.179.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/51.179.0.0/17" | jq

External Links

RIPEstat