ResearchRouting table, RPKI, IRR & looking glass

AS12874 Fastweb SpA

AS12874 (FASTWEB) is registered to Fastweb SpA in IT, through RIPE. It originates 128 prefixes in the global routing table.

110
IPv4 prefixes
18
IPv6 prefixes
3,563,008
IPv4 addresses
76%
RPKI valid

Who holds AS12874

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS12874
Handle
FASTWEB
Organization
Fastweb SpA
Country
IT
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS12557 - AS13223'

as-block:       AS12557 - AS13223
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:24Z
last-modified:  2018-11-22T15:27:24Z
source:         RIPE

% Information related to 'AS12874'

% Abuse contact for 'AS12874' is 'abuse@fastweb.it'

aut-num:        AS12874
as-name:        FASTWEB
remarks:        Fastweb Autonomous System
remarks:        Milano - Italy
member-of:      AS3320:AS-AUTH-PILOT-ROUTEPRIO-FROM-AS3303
import:         from AS137 action pref=100; accept AS-GARR
import:         from AS702 action pref=100; accept ANY
import:         from AS1267 action pref=100; accept AS-INFOSTRADA
import:         from AS1755 action pref=100; accept ANY
import:         from AS2129 action pref=100; accept AS2129
import:         from AS6831 action pref=250; accept AS6831
import:         from AS207042 action pref=250; accept AS207042
import:         from AS200984 action pref=100; accept AS200984
import:         from AS200901 action pref=100; accept AS200901
import:         from AS2594 action pref=100; accept AS2594
import:         from AS3275 action pref=250; accept AS3275
import:         from AS21074 action pref=250; accept AS21074
import:         from AS60501 action pref=100; accept ANY
import:         from AS1299 action pref=100; accept ANY
import:         from AS3303 action pref=100; accept ANY
import:         from AS3356 action pref=100; accept ANY
import:         from AS3257 action pref=100; accept ANY
import:         from AS6762 action pref=100; accept ANY
import:         from AS202193 action pref=100; accept ANY
import:         from AS3228 action pref=100; accept AS3228 AS15923
import:         from AS199324 action pref=100; accept AS199324
import:         from AS3269 action pref=100; accept AS-IBSCUST
import:         from AS3302 action pref=100; accept AS3302:AS-SET
import:         from AS3313 action pref=100; accept AS-INET
import:         from AS3549 action pref=100; accept ANY
import:         from AS3651 action pref=100; accept ANY
import:         from AS35193 action pref=100; accept AS35193
import:         from AS5392 action pref=100; accept AS-TELNET
import:         from AS202339 action pref=100; accept ANY
import:         from AS5394 action pref=100; accept AS5394 AS8441 AS15720 AS8660 AS5394
import:         from AS5394 action pref=100; accept AS13081 AS5481
import:         from AS31222 action pref=250; accept AS31222 AS199824
import:         from AS31222 action pref=250; accept AS31222 AS204158
import:         from AS5493 action pref=100; accept AS5493
import:         from AS207157 action pref=100; accept AS207157
import:         from AS5499 action pref=100; accept AS-CYBERNETIT
import:         from AS5602 action pref=100; accept AS5602 AS13160
import:         from AS6665 action pref=100; accept AS6665
import:         from AS205891 action pref=100; accept AS205891
import:         from AS204947 action pref=100; accept AS204947
import:         from AS6718 action pref=100; accept AS6718 AS8816
import:         from AS6730 action pref=100; accept AS-GLOBAL
import:         from AS6734 action pref=100; accept AS6734
import:         from AS6882 action pref=200; accept AS6882
import:         from AS8220 action pref=100; accept AS-COLT
import:         from AS8293 action pref=100; accept AS8293 AS5395 AS28929
import:         from AS8329 action pref=100; accept AS8329
import:         from AS8612 action pref=100; accept AS8612
import:         from AS219042 action pref=100; accept AS219042
import:         from AS204389 action pref=100; accept AS204389
import:         from AS200583 action pref=100; accept AS200583
import:         from AS8660 action pr

What AS12874 announces

Prefixes originated by AS12874 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
110
IPv6 prefixes
18
IPv4 addresses
3,563,008 (13,918 /24s)
RPKI valid
98 76%
RPKI invalid
0
RPKI not found
30
ROAs naming AS12874
86
With an IRR route object
127 99%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (110)
2.16.17.0/242.19.179.0/242.224.0.0/132.232.0.0/135.1.44.0/245.152.240.0/2123.61.204.0/2431.131.240.0/2137.99.240.0/2437.153.135.0/2437.186.192.0/1845.82.228.0/2245.90.124.0/2462.101.64.0/1962.101.96.0/1962.101.124.0/2262.177.0.0/2062.182.103.0/2464.126.250.0/2480.67.66.0/2481.208.0.0/1881.208.64.0/1883.103.0.0/1783.103.0.0/1883.103.64.0/1884.53.184.0/2485.18.0.0/1685.18.0.0/1785.18.128.0/1785.118.144.0/2389.39.200.0/2489.43.192.0/2489.96.0.0/1589.96.0.0/1689.97.0.0/1691.225.244.0/2292.223.128.0/1792.242.172.0/2293.32.0.0/1293.32.0.0/1393.32.0.0/1493.32.0.0/1593.33.0.0/1693.34.0.0/1593.36.0.0/1493.36.0.0/1593.37.0.0/1793.37.128.0/1793.38.0.0/1593.39.0.0/1693.40.0.0/1393.40.0.0/1493.40.0.0/1593.40.128.0/1893.40.192.0/1893.41.0.0/1693.42.0.0/1593.42.0.0/1693.43.0.0/1693.44.0.0/1493.44.0.0/1593.46.0.0/1593.48.0.0/1393.56.0.0/1493.60.0.0/1593.62.0.0/15151.0.128.0/17158.255.240.0/21170.248.136.0/24176.122.196.0/23176.122.198.0/24185.7.112.0/22185.22.84.0/24185.22.85.0/24185.27.72.0/24185.27.73.0/24185.36.72.0/22185.43.19.0/24185.69.188.0/22185.139.48.0/24185.139.49.0/24185.146.134.0/24185.162.179.0/24185.169.184.0/24185.169.185.0/24185.169.186.0/24185.169.187.0/24185.190.214.0/24185.190.215.0/24185.219.180.0/22185.219.232.0/24185.219.234.0/24185.223.153.0/24193.3.50.0/24193.27.28.0/22193.35.4.0/22193.42.234.0/24193.42.238.0/24193.43.16.0/24193.43.17.0/24193.169.20.0/24193.193.0.0/19194.5.146.0/24194.59.208.0/22194.63.146.0/24194.99.35.0/24213.140.0.0/20213.140.16.0/20213.156.32.0/20213.156.48.0/20
IPv6 (18)

RPKI valid   RPKI invalid   no ROA covers it

Who AS12874 is reached through

The AS just before AS12874 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.