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AS12874

Fastweb SpA

AS12874 is Fastweb SpA (fastweb.it). It announces 3,562,752 IPv4 addresses in 110 prefixes, and 18 IPv6 prefixes.

Italy· RIPE· allocated 1999-12-17· isp

3,562,752
IPv4 addresses announced
110
IPv4 prefixes
18
IPv6 prefixes
76.56%
of its routes RPKI-valid
3,562,752
of its IPv4 geolocated
2
countries

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. Italy3,562,240 · 99.99%
  2. United States512 · 0.01%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
FASTWEB
name
Fastweb SpA
org
ORG-FA7-RIPE
org name
Fastweb SpA
org address
Piazza Adriano Olivetti, 1, 20139, Milano, ITALY
org country
IT
country
IT
source
ripe
status
ASSIGNED
created
2002-09-13
updated
2026-09-16
remarks
Fastweb Autonomous System / Milano - Italy / COMMUNITY SUPPORT / NAP / 12874:300 not announce to all NAP / 12874:301 as-path prepend 1x12874 to all NAP / 12874:302 as-path prepend 2x12874 to all NAP / 12874:303 as-path prepend 3x12874 to all NAP / 12874:304 not announce to MIX-IT / 12874:305 as-path prepend 1x12874 to MIX-IT / 12874:306 as-path prepend 2x12874 to MIX-IT / 12874:307 as-path prepend 3x12874 to MIX-IT / 12874:308 not announce to NAMEX / 12874:309 as-path prepend 1x12874 to NAMEX / 12874:310 as
maintainer
FASTWEB-MNT|RIPE-NCC-END-MNT
abuse name
Fastweb Abuse
abuse email
abuse@fastweb.it
abuse phone
+39 02 45451
abuse kind
role

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

110 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2.16.17.0/24Italyvalid172026-10-02
2.19.179.0/24Italyvalid172026-10-02
2.224.0.0/13Italyvalid162026-10-02
2.232.0.0/13Italyvalid162026-10-02
5.1.44.0/24Italynot found172026-10-02
5.152.240.0/21Italynot found172026-10-02
23.61.204.0/24Italyvalid172026-10-02
31.131.240.0/21Italynot found172026-10-02
37.99.240.0/24Italyvalid172026-10-02
37.153.135.0/24Italyvalid172026-10-02
37.186.192.0/18Italyvalid172026-10-02
45.82.228.0/22Italyvalid172026-10-02
45.90.124.0/24Italynot found172026-10-02
62.101.64.0/19Italyvalid172026-10-02
62.101.96.0/19Italyvalid172026-10-02
62.101.124.0/22Italyvalid172026-10-02
62.177.0.0/20Italynot found172026-10-02
62.182.103.0/24Italynot found172026-10-02
64.126.250.0/24Italynot found172026-10-02
80.67.66.0/24United Statesvalid172026-10-02
81.208.0.0/18Italyvalid172026-10-02
81.208.64.0/18Italyvalid172026-10-02
83.103.0.0/17Italyvalid172026-10-02
83.103.0.0/18Italyvalid172026-10-02
83.103.64.0/18Italyvalid172026-10-02
84.53.184.0/24United Statesvalid172026-10-02
85.18.0.0/16Italyvalid172026-10-02
85.18.0.0/17Italyvalid172026-10-02
85.18.128.0/17Italyvalid172026-10-02
85.118.144.0/23Italynot found172026-10-02
89.39.200.0/24Italyvalid172026-10-02
89.43.192.0/24Italyvalid172026-10-02
89.96.0.0/15Italyvalid172026-10-02
89.96.0.0/16Italyvalid172026-10-02
89.97.0.0/16Italyvalid172026-10-02
91.225.244.0/22Italynot found172026-10-02
92.223.128.0/17Italyvalid172026-10-02
92.242.172.0/22Italynot found172026-10-02
93.32.0.0/12Italyvalid162026-10-02
93.32.0.0/13Italyvalid162026-10-02
93.32.0.0/14Italyvalid142026-10-02
93.32.0.0/15Italyvalid62026-10-02
93.33.0.0/16Italyvalid72026-10-02
93.34.0.0/15Italyvalid62026-10-02
93.36.0.0/14Italyvalid172026-10-02
93.36.0.0/15Italyvalid62026-10-02
93.37.0.0/17Italyvalid72026-10-02
93.37.128.0/17Italyvalid72026-10-02
93.38.0.0/15Italyvalid62026-10-02
93.39.0.0/16Italyvalid72026-10-02
93.40.0.0/13Italyvalid162026-10-02
93.40.0.0/14Italyvalid142026-10-02
93.40.0.0/15Italyvalid62026-10-02
93.40.128.0/18Italyvalid72026-10-02
93.40.192.0/18Italyvalid72026-10-02
93.41.0.0/16Italyvalid72026-10-02
93.42.0.0/15Italyvalid62026-10-02
93.42.0.0/16Italyvalid72026-10-02
93.43.0.0/16Italyvalid72026-10-02
93.44.0.0/14Italyvalid142026-10-02
93.44.0.0/15Italyvalid62026-10-02
93.46.0.0/15Italyvalid62026-10-02
93.48.0.0/13Italyvalid162026-10-02
93.56.0.0/14Italyvalid172026-10-02
93.60.0.0/15Italyvalid172026-10-02
93.62.0.0/15Italyvalid172026-10-02
151.0.128.0/17Italyvalid172026-10-02
158.255.240.0/21Italynot found172026-10-02
170.248.136.0/24Italynot found172026-10-02
176.122.196.0/23Italyvalid172026-10-02
176.122.198.0/24Italyvalid172026-10-02
185.7.112.0/22Italyvalid172026-10-02
185.22.84.0/24Italynot found172026-10-02
185.22.85.0/24Italynot found172026-10-02
185.27.72.0/24Italynot found172026-10-02
185.27.73.0/24Italynot found172026-10-02
185.36.72.0/22Italyvalid172026-10-02
185.43.19.0/24Italyvalid172026-10-02
185.69.188.0/22Italynot found172026-10-02
185.139.48.0/24Italyvalid172026-10-02
185.139.49.0/24Italyvalid172026-10-02
185.146.134.0/24Italyvalid172026-10-02
185.162.179.0/24Italyvalid172026-10-02
185.169.184.0/24Italynot found172026-10-02
185.169.185.0/24Italynot found172026-10-02
185.169.186.0/24Italynot found172026-10-02
185.169.187.0/24Italynot found172026-10-02
185.190.214.0/24Italyvalid172026-10-02
185.190.215.0/24Italyvalid172026-10-02
185.219.180.0/22Italynot found172026-10-02
185.219.232.0/24Italynot found172026-10-02
185.219.234.0/24Italynot found172026-10-02
185.223.153.0/24Italyvalid172026-10-02
193.3.50.0/24Italynot found172026-10-02
193.27.28.0/22Italynot found172026-10-02
193.35.4.0/22Italynot found172026-10-02
193.42.234.0/24Italyvalid172026-10-02
193.42.238.0/24Italyvalid172026-10-02
193.43.16.0/24Italyvalid172026-10-02
193.43.17.0/24Italyvalid172026-10-02
193.169.20.0/24Italyvalid172026-10-02
193.193.0.0/19Italynot found172026-10-02
194.5.146.0/24Italyvalid172026-10-02
194.59.208.0/22Italyvalid172026-10-02
194.63.146.0/24Italynot found172026-10-02
194.99.35.0/24Italynot found172026-10-02
213.140.0.0/20Italyvalid172026-10-02
213.140.16.0/20Italyvalid172026-10-02
213.156.32.0/20Italyvalid172026-10-02
213.156.48.0/20Italyvalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

18 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2001:b00::/29Italyvalid202026-10-02
2001:b07::/32Italyvalid202026-10-02
2001:b07::/36Italyvalid202026-10-02
2001:b07:1000::/36Italyvalid202026-10-02
2001:b07:2000::/36Italyvalid202026-10-02
2001:b07:3000::/36Italyvalid202026-10-02
2001:b07:4000::/36Italyvalid202026-10-02
2001:b07:5000::/36Italyvalid202026-10-02
2001:b07:6000::/36Italyvalid202026-10-02
2001:b07:7000::/36Italyvalid202026-10-02
2001:b07:8000::/36Italyvalid202026-10-02
2001:b07:9000::/36Italyvalid202026-10-02
2001:b07:a000::/36Italyvalid202026-10-02
2001:b07:b000::/36Italyvalid202026-10-02
2001:b07:c000::/36Italyvalid202026-10-02
2001:b07:d000::/36Italyvalid202026-10-02
2001:b07:e000::/36Italyvalid202026-10-02
2001:b07:f000::/36Italyvalid202026-10-02
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