ResearchRouting table, RPKI, IRR & looking glass

AS20746 Telecom Italia S.p.A.

AS20746 (ASN-IDC) is registered to Telecom Italia S.p.A. in IT, through RIPE. It originates 378 prefixes in the global routing table.

372
IPv4 prefixes
6
IPv6 prefixes
216,064
IPv4 addresses
1%
RPKI valid

Who holds AS20746

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

AS number
AS20746
Handle
ASN-IDC
Organization
Telecom Italia S.p.A.
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 'AS20485 - AS20857'

as-block:       AS20485 - AS20857
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20746'

% Abuse contact for 'AS20746' is 'abuse-ripe@telecomitalia.it'

aut-num:        AS20746
org:            ORG-TIS3-RIPE
as-name:        ASN-IDC
descr:          T.NO.OM.I.NC
descr:          Network Operations Center
import:         from AS3269 action pref=100; accept any
import:         from AS6762 action pref=100; accept any
export:         to AS3269 announce AS20746 AS31617
export:         to AS6762 announce AS20746 AS31617
default:        to AS3269
admin-c:        ITR2-RIPE
tech-c:         ITR2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FULCOM-MNT-RIPE
created:        2002-06-25T13:01:06Z
last-modified:  2017-11-15T09:17:23Z
source:         RIPE # Filtered

organisation:   ORG-TIS3-RIPE
org-name:       Telecom Italia S.p.A.
country:        IT
reg-nr:         00488410010
org-type:       LIR
address:        Via Negri, 1
address:        20123
address:        Milano
address:        ITALY
phone:          +39 6 36871
descr:          abuse-ripe@telecomitalia.it
mnt-ref:        FULCOM-MNT-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         FULCOM-MNT-RIPE
admin-c:        LM10202-RIPE
admin-c:        AP496-RIPE
admin-c:        ITR2-RIPE
abuse-c:        AT10542-RIPE
created:        2004-04-17T11:31:13Z
last-modified:  2026-05-13T07:25:39Z
source:         RIPE # Filtered

role:           IT Telecom Role
address:        Telecom Italia S.p.A.
address:        Via Negri, 1 Milano - 20123
address:        Italy
remarks:        trouble: ripe-noc@telecomitalia.it
admin-c:        NGR17-RIPE
tech-c:         NGR17-RIPE
abuse-mailbox:  abuse-ripe@telecomitalia.it
nic-hdl:        ITR2-RIPE
remarks:
remarks:        Pay attention
remarks:        Any communication sent to email different
remarks:        from the following will be ignored !
remarks:
remarks:        Any abuse and spamming reports, please
remarks:        send them to abuse-ripe@telecomitalia.it
remarks:
mnt-by:         FULCOM-MNT-RIPE
created:        2003-04-22T07:54:13Z
last-modified:  2017-11-22T08:34:13Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)


What AS20746 announces

Prefixes originated by AS20746 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
372
IPv6 prefixes
6
IPv4 addresses
216,064 (844 /24s)
RPKI valid
5 1%
RPKI invalid
0
RPKI not found
373
ROAs naming AS20746
5
With an IRR route object
26 6%

Announced prefixes

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

IPv4 (372)
46.29.200.0/2162.77.32.0/1962.77.33.0/2462.77.34.0/2362.77.36.0/2362.77.36.0/2462.77.38.0/2462.77.40.0/2462.77.41.0/2462.77.42.0/2362.77.44.0/2362.77.46.0/2462.77.48.0/2262.77.48.0/2462.77.50.0/2462.77.52.0/2462.77.54.0/2462.77.55.0/2462.77.56.0/2462.77.57.0/2462.77.58.0/2462.77.60.0/2462.86.116.0/2477.238.0.0/2077.238.0.0/2477.238.1.0/2477.238.2.0/2477.238.3.0/2477.238.4.0/2477.238.9.0/2477.238.10.0/2477.238.11.0/2477.238.12.0/2477.238.13.0/2477.238.15.0/2477.238.16.0/2177.238.20.0/2477.238.22.0/2477.238.23.0/2477.238.24.0/2177.238.29.0/2477.238.30.0/2477.238.31.0/2480.241.224.0/2080.241.227.0/2480.241.230.0/2480.241.231.0/2480.241.232.0/2380.241.236.0/2480.241.238.0/2480.253.32.0/2280.253.35.0/2480.253.40.0/2281.74.238.0/2481.74.239.0/2481.74.252.0/2481.115.110.0/2481.115.114.0/2481.115.115.0/2481.115.118.0/2481.115.119.0/2481.117.187.0/2481.117.188.0/2481.119.128.0/2481.119.129.0/2481.119.135.0/2481.119.137.0/2481.123.100.0/2481.123.101.0/2481.123.180.0/2481.123.181.0/2481.123.182.0/2481.123.183.0/2481.123.185.0/2481.123.186.0/2481.123.188.0/2481.123.189.0/2481.124.117.0/2481.124.118.0/2481.124.119.0/2481.124.120.0/2481.124.121.0/2481.124.124.0/2481.124.125.0/2481.125.120.0/2481.125.121.0/2481.125.124.0/2481.125.126.0/2481.125.128.0/2481.125.133.0/2481.125.134.0/2481.125.139.0/2481.125.141.0/2481.126.64.0/2181.126.70.0/2481.126.72.0/2181.126.80.0/2281.126.84.0/2381.126.86.0/2481.126.87.0/2481.126.88.0/2181.126.92.0/2481.126.93.0/2481.126.94.0/2481.126.128.0/2181.126.136.0/2181.126.160.0/1981.126.190.0/2481.126.192.0/1982.53.187.0/2482.53.188.0/2482.102.4.0/2483.221.96.0/2083.221.96.0/2283.221.100.0/2483.221.101.0/2483.221.104.0/2283.221.106.0/2483.221.110.0/2383.221.112.0/23
Show 252 more
83.221.115.0/2483.221.116.0/2283.221.118.0/2383.221.118.0/2483.221.119.0/2483.221.120.0/2283.221.120.0/2483.221.121.0/2483.221.122.0/2383.221.124.0/2483.221.125.0/2483.221.126.0/2383.221.127.0/2485.33.3.0/2485.37.16.0/2388.33.27.0/2488.44.60.0/2488.44.63.0/2489.31.48.0/2289.31.48.0/2389.31.48.0/2489.31.50.0/2389.31.51.0/2489.31.52.0/2289.31.52.0/2489.31.54.0/2491.206.128.0/2394.92.86.0/24109.69.200.0/23109.69.205.0/24109.233.100.0/24131.1.6.0/24131.1.20.0/24131.1.216.0/23131.1.220.0/23131.1.222.0/24131.1.229.0/24131.1.230.0/23131.1.240.0/23131.1.243.0/24131.1.244.0/23131.1.247.0/24131.1.252.0/23131.1.254.0/23138.132.0.0/16138.132.54.0/24151.99.195.0/24156.54.0.0/23156.54.1.0/24156.54.4.0/24156.54.5.0/24156.54.8.0/24156.54.12.0/24156.54.13.0/24156.54.14.0/24156.54.15.0/24156.54.20.0/24156.54.22.0/24156.54.24.0/24156.54.26.0/24156.54.27.0/24156.54.28.0/24156.54.29.0/24156.54.30.0/24156.54.31.0/24156.54.32.0/24156.54.36.0/23156.54.39.0/24156.54.40.0/24156.54.41.0/24156.54.43.0/24156.54.46.0/23156.54.48.0/24156.54.49.0/24156.54.50.0/24156.54.51.0/24156.54.52.0/24156.54.53.0/24156.54.54.0/24156.54.55.0/24156.54.56.0/24156.54.57.0/24156.54.59.0/24156.54.60.0/24156.54.61.0/24156.54.62.0/24156.54.63.0/24156.54.64.0/23156.54.67.0/24156.54.68.0/24156.54.69.0/24156.54.70.0/24156.54.71.0/24156.54.73.0/24156.54.75.0/24156.54.76.0/24156.54.82.0/24156.54.83.0/24156.54.84.0/24156.54.87.0/24156.54.88.0/24156.54.89.0/24156.54.90.0/24156.54.91.0/24156.54.97.0/24156.54.98.0/24156.54.99.0/24156.54.100.0/24156.54.101.0/24156.54.102.0/23156.54.104.0/23156.54.105.0/24156.54.106.0/24156.54.107.0/24156.54.108.0/22156.54.108.0/23156.54.110.0/24156.54.111.0/24156.54.116.0/24156.54.117.0/24156.54.118.0/24156.54.119.0/24156.54.120.0/24156.54.121.0/24156.54.122.0/23156.54.124.0/24156.54.125.0/24156.54.126.0/24156.54.127.0/24156.54.128.0/24156.54.131.0/24156.54.132.0/24156.54.133.0/24156.54.134.0/24156.54.135.0/24156.54.136.0/24156.54.137.0/24156.54.138.0/24156.54.139.0/24156.54.140.0/24156.54.141.0/24156.54.142.0/24156.54.143.0/24156.54.144.0/23156.54.148.0/22156.54.152.0/24156.54.153.0/24156.54.154.0/24156.54.155.0/24156.54.158.0/24156.54.159.0/24156.54.160.0/24156.54.161.0/24156.54.164.0/24156.54.165.0/24156.54.166.0/24156.54.167.0/24156.54.168.0/24156.54.169.0/24156.54.170.0/24156.54.171.0/24156.54.172.0/24156.54.173.0/24156.54.174.0/24156.54.175.0/24156.54.176.0/24156.54.177.0/24156.54.178.0/24156.54.179.0/24156.54.180.0/24156.54.181.0/24156.54.183.0/24156.54.184.0/24156.54.187.0/24156.54.188.0/24156.54.189.0/24156.54.190.0/24156.54.191.0/24156.54.192.0/24156.54.197.0/24156.54.200.0/24156.54.202.0/24156.54.203.0/24156.54.209.0/24156.54.210.0/24156.54.211.0/24156.54.212.0/24156.54.213.0/24156.54.214.0/24156.54.215.0/24156.54.216.0/24156.54.217.0/24156.54.218.0/24156.54.219.0/24156.54.223.0/24156.54.224.0/24156.54.227.0/24156.54.228.0/24156.54.229.0/24156.54.230.0/24156.54.231.0/24156.54.232.0/24156.54.233.0/24156.54.234.0/24156.54.235.0/24156.54.236.0/24156.54.237.0/24156.54.238.0/24156.54.239.0/24156.54.240.0/23156.54.244.0/24156.54.245.0/24156.54.246.0/24156.54.248.0/24156.54.249.0/24156.54.250.0/24156.54.252.0/24156.54.253.0/24156.54.254.0/24158.173.163.0/24185.57.108.0/22185.63.228.0/22185.63.231.0/24185.86.60.0/24185.148.205.0/24185.148.207.0/24193.32.94.0/24194.184.205.0/24212.216.176.0/24217.27.64.0/19217.56.122.0/24217.56.125.0/24217.169.96.0/19217.169.96.0/21217.169.98.0/24217.169.99.0/24217.169.100.0/23217.169.102.0/24217.169.104.0/21217.169.106.0/24217.169.108.0/24217.169.111.0/24217.169.112.0/22217.169.113.0/24217.169.116.0/23217.169.117.0/24217.169.120.0/22217.169.122.0/24217.169.123.0/24217.169.124.0/23217.169.126.0/24217.169.127.0/24
IPv6 (6)

RPKI valid   RPKI invalid   no ROA covers it

Who AS20746 is reached through

The AS just before AS20746 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.

Provider authorization

AS20746 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS20746 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEASN-IDCRIPE-NCC-END-MNT, FULCOM-MNT-RIPE

Route objects with origin AS20746: RIPE 57 · RADB 1

as-sets that list AS20746 (3)