Home ASN LookupAS137

AS137 ASGARR Consortium GARR

🇮🇹

Org handle: ORG-GIRa1-RIPE

Consortium GARR

RIPE NCCallocated

Announced Prefixes (BGP)

103total

95 IPv48 IPv6

IPv4 Addresses

Allocated (RIR)2.6M

Announced (BGP)2.8M

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)1.5×10²⁹

Prefix Limit (IPv4)

5,000

Prefix Limit (IPv6)

Country

🇮🇹 IT

RIR

RIPE NCC

Status

allocated

Allocated

1993-09-01

Announced Prefixes

(BGP)103

Prefix	RPKI	IRR	Last Seen
90.147.0.0/16	Valid	RIPE	2026-10-11
90.147.16.0/23	Invalid	-	2026-10-11
90.147.67.0/24	Invalid	-	2026-10-11
90.147.168.0/23	Invalid	-	2026-10-11
130.136.0.0/16	Valid	RIPE	2026-10-11
130.186.0.0/19MOAS	No ROA	RIPE	2026-10-11
130.192.0.0/16	No ROA	RIPE	2026-10-11
130.251.0.0/16	Valid	RIPE	2026-10-11
131.114.0.0/16	Valid	RIPE	2026-10-11
131.154.0.0/16	Valid	RIPE	2026-10-11

1-10 of 103

1 / 11

Allocated Prefixes

(RIR)162

Prefix	Country	RIR	Status
90.147.0.0/16	🇮🇹 IT	RIPENCC	allocated
90.147.6.0/24	🇮🇹 IT	RIPE	assigned
90.147.16.0/23	🇮🇹 IT	RIPE	assigned
90.147.19.0/24	🇮🇹 IT	RIPE	assigned
90.147.34.240/28	🇮🇹 IT	RIPE	assigned
90.147.67.0/24	🇮🇹 IT	RIPE	assigned
90.147.69.16/28	🇮🇹 IT	RIPE	assigned
90.147.79.0/24	🇮🇹 IT	RIPE	assigned
90.147.80.0/22	🇮🇹 IT	RIPE	assigned
90.147.84.0/23	🇮🇹 IT	RIPE	assigned

1-10 of 162

1 / 17

All 103 announced prefixes of AS137 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS137 hands its own prefixes to: transit providers, or peers at an exchange.

AS174Cogent Communications73
AS20965GEANT Vereniging31
AS6762SEABONE NET TELECOM ITALIA SPARKLE S.P.A10

Downstreams (9)

Networks whose own prefixes AS137 passes on: usually its customers.

AS31638ASN LEPIDA S.C.P.A50
AS42081Ecmwf It European Centre For Medium Range Weather Forecasts (ECMWF)10
AS2597CCTLD IT Consiglio Nazionale Delle Ricerche5
AS8978ASN HOLYSEE Holy See Vatican City State3
AS42165JRC European Commission Directorate General Joint Research Centre2
AS5502NATO SACLANT Undersea Research Centre1
AS20745ASCNIT CNIT Italian National Consortium For Telecommunications1
AS199342UNICATTOLICA Universita Cattolica Del Sacro Cuore1
AS200375INGV Istituto Nazionale Di Geofisica E Vulcanologia1

Other adjacent networks (4)

Adjacent to AS137 in the transit part of AS paths: peers, providers or customers.

AS15605CONNESI S.P.A2
AS5392TELNET ITALY TELNET S.R.L1
AS21320GEANT IAS VRF GEANT Vereniging1
AS21333INVA IN.VA. S.P.A1

ASPA

No ASPA

Abuse Contact

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 AS137 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/137

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

curl -s "https://api.ipctl.io/v1/asn/137" | jq