Home Prefix Lookup81.208.0.0/18

81.208.0.0/18 - FASTWEB SpA (AS12874)

IPv4RIPE NCCannouncedAS12874FASTWEB Fastweb SpA RPKI Valid

CIDR

81.208.0.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇮🇹 Italy

City

Milan

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
81.208.0.0/18	AS12874 FASTWEB Fastweb SpA	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
81.208.0.0/18	AS12874	/18	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS12874	RIPE	FASTWEB-MNT	2002-10-04

More Specific Prefixes

100

Prefix	Country	Status
81.208.0.0/24	🇮🇹IT	assigned
81.208.1.0/25	🇮🇹IT	assigned
81.208.3.0/24	🇮🇹IT	assigned
81.208.4.0/24	🇮🇹IT	assigned
81.208.5.0/25	🇮🇹IT	assigned
81.208.5.128/27	🇮🇹IT	assigned
81.208.5.192/26	🇮🇹IT	assigned
81.208.6.0/25	🇮🇹IT	assigned
81.208.6.192/26	🇮🇹IT	assigned
81.208.7.0/26	🇮🇹IT	assigned
81.208.7.192/26	🇮🇹IT	assigned
81.208.9.0/24	🇮🇹IT	assigned
81.208.10.0/25	🇮🇹IT	assigned
81.208.10.128/25	🇮🇹IT	assigned
81.208.11.32/27	🇮🇹IT	assigned
81.208.11.128/27	🇮🇹IT	assigned
81.208.12.0/27	🇮🇹IT	assigned
81.208.12.32/27	🇮🇹IT	assigned
81.208.12.64/27	🇮🇹IT	assigned
81.208.12.96/27	🇮🇹IT	assigned
81.208.12.128/27	🇮🇹IT	assigned
81.208.12.160/27	🇮🇹IT	assigned
81.208.12.192/27	🇮🇹IT	assigned
81.208.12.224/27	🇮🇹IT	assigned
81.208.14.32/27	🇮🇹IT	assigned
81.208.15.0/26	🇮🇹IT	assigned
81.208.16.64/27	🇮🇹IT	assigned
81.208.16.96/27	🇮🇹IT	assigned
81.208.16.128/25	🇮🇹IT	assigned
81.208.17.0/25	🇮🇹IT	assigned
81.208.17.128/25	🇮🇹IT	assigned
81.208.18.0/25	🇮🇹IT	assigned
81.208.18.128/25	🇮🇹IT	assigned
81.208.19.0/25	🇮🇹IT	assigned
81.208.19.128/25	🇮🇹IT	assigned
81.208.20.0/25	🇮🇹IT	assigned
81.208.20.128/25	🇮🇹IT	assigned
81.208.21.0/25	🇮🇹IT	assigned
81.208.21.128/26	🇮🇹IT	assigned
81.208.21.192/26	🇮🇹IT	assigned
81.208.22.128/26	🇮🇹IT	assigned
81.208.23.0/24	🇮🇹IT	assigned
81.208.24.0/24	🇮🇹IT	assigned
81.208.25.0/26	🇮🇹IT	assigned
81.208.25.64/26	🇮🇹IT	assigned
81.208.26.0/26	🇮🇹IT	assigned
81.208.28.0/24	🇮🇹IT	assigned
81.208.29.0/24	🇮🇹IT	assigned
81.208.30.0/26	🇮🇹IT	assigned
81.208.31.0/25	🇮🇹IT	assigned
81.208.31.160/27	🇮🇹IT	assigned
81.208.32.0/26	🇮🇹IT	assigned
81.208.32.64/26	🇮🇹IT	assigned
81.208.33.0/25	🇮🇹IT	assigned
81.208.33.128/25	🇮🇹IT	assigned
81.208.34.0/26	🇮🇹IT	assigned
81.208.34.128/26	🇮🇹IT	assigned
81.208.35.0/24	🇮🇹IT	assigned
81.208.36.0/26	🇮🇹IT	assigned
81.208.37.32/27	🇮🇹IT	assigned
81.208.37.128/25	🇮🇹IT	assigned
81.208.38.0/26	🇮🇹IT	assigned
81.208.39.0/27	🇮🇹IT	assigned
81.208.40.32/27	🇮🇹IT	assigned
81.208.40.64/27	🇮🇹IT	assigned
81.208.40.96/27	🇮🇹IT	assigned
81.208.40.128/27	🇮🇹IT	assigned
81.208.41.0/24	🇮🇹IT	assigned
81.208.42.0/24	🇮🇹IT	assigned
81.208.43.0/25	🇮🇹IT	assigned
81.208.43.128/25	🇮🇹IT	assigned
81.208.44.0/26	🇮🇹IT	assigned
81.208.44.128/26	🇮🇹IT	assigned
81.208.44.192/27	🇮🇹IT	assigned
81.208.46.0/26	🇮🇹IT	assigned
81.208.46.128/27	🇮🇹IT	assigned
81.208.46.192/27	🇮🇹IT	assigned
81.208.48.0/24	🇮🇹IT	assigned
81.208.50.0/24	🇮🇹IT	assigned
81.208.51.0/26	🇮🇹IT	assigned
81.208.52.0/26	🇮🇹IT	assigned
81.208.52.96/27	🇮🇹IT	assigned
81.208.53.0/26	🇮🇹IT	assigned
81.208.53.224/27	🇮🇹IT	assigned
81.208.54.0/24	🇮🇹IT	assigned
81.208.55.0/26	🇮🇹IT	assigned
81.208.55.192/26	🇮🇹IT	assigned
81.208.56.0/25	🇮🇹IT	assigned
81.208.57.0/26	🇮🇹IT	assigned
81.208.58.0/26	🇮🇹IT	assigned
81.208.58.64/26	🇮🇹IT	assigned
81.208.58.128/26	🇮🇹IT	assigned
81.208.59.0/24	🇮🇹IT	assigned
81.208.60.64/27	🇮🇹IT	assigned
81.208.61.0/24	🇮🇹IT	assigned
81.208.62.32/27	🇮🇹IT	assigned
81.208.62.128/26	🇮🇹IT	assigned
81.208.63.0/27	🇮🇹IT	assigned
81.208.63.32/27	🇮🇹IT	assigned
81.208.63.64/27	🇮🇹IT	assigned

Origin ASN

AS12874

FASTWEB Fastweb SpA

Related Prefixes

More prefixes of AS12874

All prefixes of AS12874 →

Geolocation

Country🇮🇹ItalyIT

RegionLombardy

CityMilan

Coordinates45.4642, 9.1900 ↗

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/81.208.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/81.208.0.0/18" | jq

External Links

RIPEstat