Home Prefix Lookup31.157.0.0/16

31.157.0.0/16 - VODAFONE IT ASN Fastweb SpA (AS30722)

IPv4RIPE NCCannouncedAS30722VODAFONE-IT-ASN Fastweb SpA RPKI Valid

CIDR

31.157.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇮🇹 Italy

City

Cesarolo

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
31.157.0.0/16	AS30722 VODAFONE-IT-ASN Fastweb SpA	Valid	-	2026-10-13

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
31.156.0.0/14	AS30722 VODAFONE-IT-ASN Fastweb SpA	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
31.156.0.0/14	AS30722	/19	ripe

More Specific Prefixes

Prefix	Country	Status
31.157.0.0/18	🇮🇹IT	assigned
31.157.64.0/18	🇮🇹IT	assigned
31.157.128.0/17	🇮🇹IT	assigned

Transfer History

Registry transfers of 31.157.0.0/16, blocks inside it, or blocks containing it.

31.156.0.0/14M&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	31.156.0.0/14	Vodafone Italia S.p.A. 🇮🇹 IT RIPE NCC	Fastweb SpA 🇮🇹 IT RIPE NCC	M&A

Origin ASN

AS30722

VODAFONE-IT-ASN Fastweb SpA

Related Prefixes

Covering prefix

31.156.0.0/14AS30722

More prefixes of AS30722

All prefixes of AS30722 →

Geolocation

Country🇮🇹ItalyIT

RegionVeneto

CityCesarolo

Coordinates45.7188, 13.0155 ↗

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/31.157.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/31.157.0.0/16" | jq

External Links

RIPEstat