ResearchRouting table, RPKI, IRR & looking glass

AS8220 COLT Technology Services Group Limited

AS8220 (COLT) is registered to COLT Technology Services Group Limited in GB, through RIPE. It originates 172 prefixes in the global routing table.

153
IPv4 prefixes
19
IPv6 prefixes
1,496,576
IPv4 addresses
91%
RPKI valid

Who holds AS8220

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

AS number
AS8220
Handle
COLT
Organization
COLT Technology Services Group Limited
Country
GB
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 'AS8192 - AS8523'

as-block:       AS8192 - AS8523
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:        2018-11-22T15:27:23Z
last-modified:  2018-11-22T15:27:23Z
source:         RIPE

% Information related to 'AS8220'

% Abuse contact for 'AS8220' is 'abuse@colt.net'

aut-num:        AS8220
as-name:        COLT
descr:          COLT Technology Services Group Limited
org:            ORG-CI9-RIPE
remarks:        =============================================
remarks:        BGP Communities accepted from customers
remarks:        =============================================
remarks:        -
remarks:        see http://as8220.net/communities.php
remarks:        -
remarks:        =============================================
remarks:        Import/Export - Peers
remarks:        =============================================
remarks:        -
export:         to AS42 announce AS8220:AS-COLT
import:         from AS42 accept AS-PCH
export:         to AS109 announce AS8220:AS-COLT
import:         from AS109 accept AS-CISCO
export:         to AS137 announce AS8220:AS-COLT
import:         from AS137 accept AS-GARR
export:         to AS553 announce AS8220:AS-COLT
import:         from AS553 accept AS-BELWUE
export:         to AS559 announce AS8220:AS-COLT
import:         from AS559 accept AS559:AS-SWITCH
export:         to AS577 announce AS8220:AS-COLT
import:         from AS577 accept AS577:AS-CUSTOMERS
export:         to AS680 announce AS8220:AS-COLT
import:         from AS680 accept AS680:AS-DFNTOWINISP
export:         to AS702 announce AS8220:AS-COLT
import:         from AS702 accept AS702
export:         to AS703 announce AS8220:AS-COLT
import:         from AS703 accept AS703
export:         to AS714 announce AS8220:AS-COLT
import:         from AS714 accept AS-APPLE
export:         to AS766 announce AS8220:AS-COLT
import:         from AS766 accept AS-REDIRIS
export:         to AS786 announce AS8220:AS-COLT
import:         from AS786 accept AS-JANETPLUS
export:         to AS852 announce AS8220:AS-COLT
import:         from AS852 accept AS-TELUS
export:         to AS1103 announce AS8220:AS-COLT
import:         from AS1103 accept AS1103:AS-SURF
export:         to AS1120 announce AS8220:AS-COLT
import:         from AS1120 accept AS-ACOSERV
export:         to AS1140 announce AS8220:AS-COLT
import:         from AS1140 accept AS-SIDN
export:         to AS1200 announce AS8220:AS-COLT
import:         from AS1200 accept AS1200
export:         to AS1241 announce AS8220:AS-COLT
import:         from AS1241 accept AS-FORTHNET
export:         to AS1248 announce AS8220:AS-COLT
import:         from AS1248 accept AS-HERE
export:         to AS1257 announce AS8220:AS-COLT
import:         from AS1257 accept AS-TELE2
export:         to AS1267 announce AS8220:AS-COLT
import:         from AS1267 accept AS-WINDTRE
export:         to AS1547 announce AS8220:AS-COLT
import:         from AS1547 accept AS-IDK
export:         to AS1680 announce AS8220:AS-COLT
import:         from AS1680 accept AS-NV
export:         to AS1764 announce AS8220:AS-COLT
import:         from AS1764 accept AS-NEXTLAYER
export:         to AS1820 announce AS8220:AS-COLT
import:         from AS1820 accept AS-WTUC
export:         to AS1828 announce AS8220:AS-COLT
import:         from AS1828 accept AS-UNITAS
export:         to AS1836 announce AS8220:AS-COLT
import:         from AS1836 accept AS-GREEN
export:         to AS1853 announce AS8220:AS-COLT
import:         from AS1853 accept AS-ACONET
export:         to AS1930 announce AS8220:AS-COLT
import:         from AS1930 accept AS-RCCN
export:         to AS2110 announce AS8220:AS-COLT
import:        

What AS8220 announces

Prefixes originated by AS8220 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
153
IPv6 prefixes
19
IPv4 addresses
1,496,576 (5,846 /24s)
RPKI valid
158 91%
RPKI invalid
0
RPKI not found
14
ROAs naming AS8220
220
With an IRR route object
171 99%

Announced prefixes

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

IPv4 (153)
27.110.0.0/2027.110.16.0/2227.110.20.0/2338.210.238.0/2445.135.160.0/2446.28.184.0/2446.248.14.0/2446.248.128.0/1957.133.0.0/1658.0.0.0/1658.1.128.0/1762.23.0.0/1662.23.14.0/2462.23.23.0/2462.23.43.0/2462.23.61.0/2462.23.70.0/2462.23.254.0/2462.23.255.0/2462.72.96.0/1962.84.192.0/1962.96.0.0/1662.97.64.0/1862.152.96.0/1962.192.0.0/1965.87.8.0/2478.143.0.0/1878.156.64.0/2078.156.80.0/2180.80.0.0/1980.169.0.0/1680.251.160.0/1982.112.192.0/1984.14.0.0/1684.14.63.0/2484.14.217.0/2484.16.160.0/1985.88.128.0/1987.241.0.0/1890.152.0.0/1890.152.64.0/1890.152.64.0/1990.152.96.0/1991.212.43.0/2495.175.192.0/2095.175.208.0/20103.138.100.0/22103.248.76.0/24110.50.78.0/23116.83.0.0/17118.67.224.0/19134.128.168.0/22136.225.0.0/16145.224.32.0/23148.109.0.0/16148.109.25.0/24153.96.140.0/24153.96.141.0/24154.16.166.0/24155.45.128.0/24157.2.32.0/19157.2.48.0/21157.2.52.0/24157.120.224.0/21157.120.236.0/22157.120.240.0/20158.162.32.0/19158.162.192.0/18173.247.225.0/24178.159.176.0/20181.41.193.0/24182.54.238.0/24185.138.136.0/22185.194.232.0/23192.51.54.0/24192.103.52.0/24192.187.137.0/24192.231.17.0/24193.16.48.0/21193.16.56.0/22193.16.60.0/23193.16.62.0/24193.16.155.0/24193.17.178.0/24193.30.84.0/24193.33.182.0/23193.82.0.0/19193.82.32.0/19193.96.108.0/23193.98.156.0/24193.102.132.0/24193.111.24.0/23193.118.224.0/19193.134.159.0/24193.141.139.0/24193.183.185.0/24193.228.0.0/24193.235.44.0/24193.235.45.0/24194.0.195.0/24194.36.128.0/24194.76.2.0/23194.76.4.0/22194.113.246.0/24194.115.212.0/22194.127.228.0/24194.223.128.0/21194.223.136.0/22194.223.140.0/22194.223.144.0/20195.20.223.0/24195.68.0.0/17195.68.74.0/24195.78.50.0/23195.110.64.0/19195.234.180.0/24202.7.104.0/24202.24.96.0/23202.24.98.0/23202.95.218.0/23
Show 33 more
IPv6 (19)

RPKI valid   RPKI invalid   no ROA covers it

Who AS8220 is reached through

The AS just before AS8220 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.