HomeASN LookupAS12637

AS12637 SEEWEB SEEWEB s.r.l.

🇮🇹

Org handle: ORG-Ss18-RIPE

Web hosting, colocation and cloud services

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
47total
37 IPv410 IPv6
IPv4 Addresses
Allocated (RIR)83,264
Announced (BGP)88,832
IPv6 Addresses
Allocated (RIR)4.1×10³⁰
Announced (BGP)3.5×10³⁰
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
50
Country
🇮🇹 IT
RIR
RIPE NCC
Status
allocated
Allocated
1999-09-07

Routing hygiene

Score 25/100 · Medium risk
RPKI ROA coverage
93.6%
3 prefixes RPKI invalid
IRR route objects
95.7%
2 prefixes registered for another origin
Hijack signals
1
1 announced against others' ROAs, 0 own announced by others
Upstreams
9
diversity 73/100
  • Announces 1 prefix that RPKI assigns to another network (possible hijack or misconfiguration)
  • 6% of announced prefixes (3 of 47) have no valid ROA, 3 of them RPKI invalid
  • 1 prefix registered in IRR route objects for another active network and not authorized by a ROA

Based on 47 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)47
|
Prefix
RPKI
IRR
Last Seen
5.144.160.0/20
 Valid
RIPE
2026-10-26
37.9.224.0/20
 Valid
RIPE
2026-10-26
37.9.239.0/24
 Valid
RIPE
2026-10-26
45.143.157.0/24
 Valid
RIPE
2026-10-26
46.16.168.0/21
 Valid
RIPE
2026-10-26
77.83.64.0/24
 Valid
RIPE
2026-10-26
77.83.65.0/24
 Valid
RIPE
2026-10-26
80.241.140.0/22
 Valid
RIPE
2026-10-26
80.241.142.0/24
 Valid
RIPE
2026-10-26
85.94.192.0/19
 Valid
RIPE
2026-10-26
1-10 of 47
1 / 5

Allocated Prefixes

(RIR)39
Prefix
Country
RIR
Status
5.144.160.0/20🇮🇹 ITRIPENCCallocated
37.9.224.0/20🇮🇹 ITRIPENCCallocated
37.9.239.0/24🇮🇹 ITRIPEassigned
46.16.168.0/21🇮🇹 ITRIPENCCallocated
80.241.140.0/22🇮🇹 ITRIPENCCallocated
85.94.192.0/19🇮🇹 ITRIPENCCallocated
93.157.185.0/24🇮🇹 ITRIPENCCallocated
95.174.0.0/19🇮🇹 ITRIPENCCallocated
176.56.128.0/21🇪🇪 EERIPENCCallocated
185.24.104.0/22🇮🇹 ITRIPENCCallocated
1-10 of 39
1 / 4

All 47 announced prefixes of AS12637 →

Upstream Providers(5)

ASNName
AS174🇺🇸COGENT-174 - Cogent Communications, LLC
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS2914🇺🇸NTT-DATA-2914 - NTT America, Inc.
AS3303🇨🇭SWISSCOM Swisscom (Schweiz) AG
AS50673🇳🇱Serverius-as Serverius Holding B.V.

Downstream Customers(2)

ASNName
AS15605🇮🇹CONNESI Connesi s.p.a.
AS18001🇱🇰DIALOG-AS - Dialog Axiata PLC.

BGP Neighbours

(seen in AS paths)

Upstreams (9)

Networks AS12637 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS174Cogent Communications20
  • AS1299TWELVE99 Arelion Sweden AB8
  • AS33891CORE BACKBONE Core Backbone6
  • AS6204ZET NET INTERKVM HOST5
  • AS2914NTT America2
  • AS3303SWISSCOM (Schweiz)2
  • AS6939Hurricane Electric2
  • AS49544I3Dnet I3D.Net B.V1
  • AS50673Serverius Holding B.V1

Downstreams (16)

Networks whose own prefixes AS12637 passes on: usually its customers.

  • AS12322PROXAD Free SAS132
  • AS3269ASN IBSNAZ Telecom Italia S.P.A40
  • AS49979LAWIRELESS LA Wireless7
  • AS200424CODEMA Alessandro Coratelli Trading CODEMA6
  • AS60087ASSUPERNOVA Netsons S.R.L4
  • AS202448Mvps4
  • AS6831NETECOM Net & Com S.R.L2
  • AS50627FRW Frosinone Wireless S.R.L2
  • AS202870Dimensione S.R.L2
  • AS206539Hellotel Telecomunicazioni2
  • AS20912ASN PANSERVICE Giuliano Claudio Peritore Trading "Panservice S.A.S. Di Cuseo Fabrizio & C."1
  • AS21100ITLDC EU ROUTE 951
  • AS58138KORTON INTERNET Korton Computer Communication (KCC) B.V1
  • AS199699GAMGROUP ITALIA GAMGROUP1
  • AS212768Iss Infosystem Security S.R.L1
  • AS214360TABDIGITAL SIA Network Operations Center1

Other adjacent networks (21)

Adjacent to AS12637 in the transit part of AS paths: peers, providers or customers.

  • AS57463NetIX Communications JSC113
  • AS137409GSL Networks Pty26
  • AS7195EDGEUNO S.A.S24
  • AS9002RETN Limited19
  • AS39386STC IGW Saudi Telecom Company JSC7
  • AS13237LAMBDANET EuNetworks4
  • AS12306PLUSLINE Plus.Line3
  • AS34087NTE BREDBAND NTE TELEKOM3
  • AS57304RETNRU JSC "RetnNet"3
  • AS196844PIONIER Ams Ix Institute Of Bioorganic Chemistry Polish Academy Of Science, Poznan Supercomputing And Networking Center3
  • AS8426CLARANET Limited2
  • AS16552Tiggee2
  • AS29119SERVIHOSTING AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL2
  • AS41692OPENCARRIER EG2
  • AS48314IP PROJECTS Michael Sebastian Schinzel Trading IP Projects & . KG2
  • AS1828Unitas Global1
  • AS8218NEO ASN Zayo Infrastructure France1
  • AS13030INIT7 (Switzerland)1
  • AS15605CONNESI S.P.A1
  • AS23106AMERICAN TOWER DO BRASIL COMUNICACAO MULTIMIDIA LT1
  • AS26415VeriSign Global Registry Services1
ASPA
Published5 upstreams, 2 downstreams
Authorized Upstream Providers
AS174AS1299AS2914AS3303AS50673
Expires 2026-10-27
Listed as Upstream Provider by
2 ASNs
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/12637

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

curl -s "https://api.ipctl.io/v1/asn/12637" | jq