Home ASN LookupAS12663

AS12663 VODAFONE-GROUP Fastweb SpA

🇮🇹

Org handle: ORG-FA7-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

177total

175 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)598,016

Announced (BGP)650,240

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)3.8×10²⁵

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇮🇹 IT

RIR

RIPE NCC

Status

allocated

Allocated

1999-09-17

Announced Prefixes

(BGP)177

Prefix	RPKI	IRR	Last Seen
37.25.128.0/17MOAS	Valid	RIPE	2026-10-11
37.25.128.0/21	Valid	RIPE	2026-10-11
37.25.136.0/21	Valid	RIPE	2026-10-11
37.25.165.0/24	Valid	RIPE	2026-10-11
37.25.176.0/20	Valid	RIPE	2026-10-11
37.25.186.0/23	Valid	RIPE	2026-10-11
37.25.237.0/24	Valid	RIPE	2026-10-11
46.108.0.0/16	Valid	RIPE	2026-10-11
46.108.208.0/24	Valid	RIPE	2026-10-11
46.108.213.0/24	Valid	-	2026-10-11

1-10 of 177

1 / 18

Allocated Prefixes

(RIR)67

Prefix	Country	RIR	Status
37.25.128.0/17	🇩🇪 DE	RIPENCC	allocated
37.25.128.0/21	🇩🇪 DE	RIPE	assigned
37.25.136.0/21	🇮🇪 IE	RIPE	assigned
37.25.176.0/20	🇩🇪 DE	RIPE	assigned
46.108.0.0/16	🇩🇪 DE	RIPE	assigned
46.190.128.0/17	🇩🇪 DE	RIPENCC	allocated
47.73.0.0/16	🇩🇪 DE	RIPENCC	allocated
62.213.128.0/19	🇩🇪 DE	RIPENCC	allocated
85.205.0.0/16	🇩🇪 DE	RIPENCC	allocated
85.205.32.0/23	🇩🇪 DE	RIPE	assigned

1-10 of 67

1 / 7

All 177 announced prefixes of AS12663 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS12663 hands its own prefixes to: transit providers, or peers at an exchange.

AS1273CW Vodafone Group PLC177

Transfer History

Registry transfers of AS12663 between organisations.

AS12663M&A · 2026-01-29
Vodafone Italia S.p.A.
🇮🇹 IT RIPE NCC
→
Fastweb SpA
🇮🇹 IT RIPE NCC

Date	Resource	From	To	Type
2026-01-29	AS12663	Vodafone Italia S.p.A. 🇮🇹 IT RIPE NCC	Fastweb SpA 🇮🇹 IT RIPE NCC	M&A

ASPA

No ASPA

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS12663 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/12663

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/12663" | jq