ResearchRouting table, RPKI, IRR & looking glass

AS63023 GTHost

AS63023 (AS-GLOBALTELEHOST) is registered to GTHost in US, through ARIN. It originates 357 prefixes in the global routing table.

326
IPv4 prefixes
31
IPv6 prefixes
87,808
IPv4 addresses
86%
RPKI valid
Registration

Who holds AS63023

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

AS number
AS63023
Handle
AS-GLOBALTELEHOST
Organization
GTHost
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       63023
ASName:         AS-GLOBALTELEHOST
ASHandle:       AS63023
RegDate:        2017-10-25
Updated:        2018-01-17
Ref:            https://rdap.arin.net/registry/autnum/63023


OrgName:        GTHost
OrgId:          GC-852
Address:        427 S La Salle St, Suite 405
City:           Chicago
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        2017-12-22
Updated:        2025-12-24
Ref:            https://rdap.arin.net/registry/entity/GC-852


OrgAbuseHandle: ABUSE9420-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-855-550-1010 
OrgAbuseEmail:  abuse@globaltelehost.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9420-ARIN

OrgNOCHandle: ADMIN6532-ARIN
OrgNOCName:   Admin
OrgNOCPhone:  +1-855-550-1010 
OrgNOCEmail:  noc@globaltelehost.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN6532-ARIN

OrgTechHandle: ADMIN6532-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-855-550-1010 
OrgTechEmail:  noc@globaltelehost.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN6532-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Routing

What AS63023 announces

Prefixes originated by AS63023 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
326
IPv6 prefixes
31
IPv4 addresses
87,808 (343 /24s)
RPKI valid
309 86%
RPKI invalid
0
RPKI not found
48
ROAs naming AS63023
464
With an IRR route object
349 97%
Prefixes

Announced prefixes

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

IPv4 (326)
2.56.117.0/245.180.23.0/2423.26.145.0/2423.27.197.0/2423.137.4.0/2423.137.12.0/2423.137.28.0/2423.137.84.0/2423.138.228.0/2423.139.20.0/2423.139.36.0/2423.150.152.0/2423.150.248.0/2423.154.136.0/2423.157.40.0/2423.157.88.0/2423.158.40.0/2423.158.56.0/2423.158.200.0/2423.160.72.0/2423.162.152.0/2423.166.88.0/2423.168.72.0/2438.22.17.0/2438.64.138.0/2438.68.134.0/2438.68.135.0/2438.72.132.0/2438.75.136.0/2338.83.112.0/2438.83.113.0/2438.83.114.0/2438.86.135.0/2438.89.70.0/2438.91.100.0/2338.91.102.0/2438.91.106.0/2338.96.255.0/2438.99.82.0/2438.99.247.0/2438.107.226.0/2438.109.228.0/2438.110.1.0/2438.114.114.0/2438.114.119.0/2438.114.120.0/2438.114.121.0/2438.114.122.0/2438.114.123.0/2438.121.43.0/2438.128.66.0/2438.143.66.0/2438.224.162.0/2445.66.164.0/2445.86.48.0/2445.86.49.0/2445.86.50.0/2445.86.51.0/2445.86.77.0/2445.88.160.0/2445.88.170.0/2445.88.171.0/2445.88.178.0/2445.88.179.0/2445.88.181.0/2445.89.96.0/2445.89.98.0/2445.89.197.0/2445.89.198.0/2445.89.199.0/2445.136.115.0/2445.142.216.0/2245.149.112.0/2445.195.89.0/2446.34.44.0/2446.254.106.0/2464.29.180.0/2464.190.213.0/2466.163.112.0/2466.163.114.0/2466.163.115.0/2466.163.116.0/2466.163.117.0/2466.163.118.0/2466.163.119.0/2466.163.120.0/2466.163.121.0/2466.163.122.0/2466.163.123.0/2466.163.125.0/2466.163.126.0/2466.163.127.0/2467.220.66.0/2467.220.67.0/2467.220.70.0/2467.220.71.0/2467.220.72.0/2467.220.73.0/2467.220.74.0/2467.220.80.0/2467.220.82.0/2467.220.85.0/2467.220.95.0/2468.164.51.0/2468.168.29.0/2469.42.213.0/2471.19.128.0/2472.14.148.0/2472.14.149.0/2472.56.149.0/2474.112.12.0/2474.112.14.0/2487.76.129.0/2487.232.83.0/2487.254.8.0/2489.116.149.0/2489.126.230.0/2489.251.22.0/2491.239.53.0/2495.215.201.0/24
Show 206 more
98.159.96.0/2298.159.100.0/2398.159.102.0/2398.159.106.0/2398.159.108.0/22103.114.41.0/24103.120.205.0/24103.136.70.0/24103.151.41.0/24103.160.59.0/24103.208.84.0/24104.234.117.0/24108.165.106.0/24108.165.235.0/24109.122.31.0/24130.51.144.0/24130.78.12.0/24130.78.13.0/24134.195.199.0/24136.176.64.0/24136.176.65.0/24136.176.66.0/24136.176.67.0/24136.176.68.0/24136.176.69.0/24136.176.70.0/24136.176.71.0/24136.176.72.0/24136.176.73.0/24136.176.74.0/24136.176.75.0/24138.0.121.0/24138.249.133.0/24138.249.138.0/24139.28.234.0/24139.64.164.0/24139.64.165.0/24139.64.166.0/24139.64.167.0/24140.99.83.0/24140.99.101.0/24140.99.252.0/24140.99.254.0/24140.99.255.0/24141.11.122.0/24141.98.167.0/24141.140.0.0/24142.202.48.0/24142.202.49.0/24142.202.50.0/24142.202.51.0/24142.248.0.0/24142.248.1.0/24142.248.44.0/24143.14.67.0/24143.14.220.0/24144.56.0.0/24144.225.85.0/24147.125.205.0/24149.7.16.0/24151.123.179.0/24151.123.180.0/24151.123.181.0/24151.123.182.0/24151.123.183.0/24151.243.159.0/24151.244.28.0/24151.246.237.0/24154.90.135.0/24154.94.1.0/24154.94.38.0/24154.222.11.0/24156.229.119.0/24156.229.239.0/24156.233.2.0/24162.218.27.0/24162.246.232.0/23162.251.60.0/24162.251.61.0/24162.251.62.0/24162.251.63.0/24163.5.49.0/24166.1.36.0/24167.17.64.0/24167.17.65.0/24167.17.66.0/24167.17.67.0/24167.17.68.0/24167.17.69.0/24167.17.70.0/24167.17.71.0/24167.88.60.0/24167.88.61.0/24167.88.62.0/24167.88.63.0/24169.197.140.0/24169.197.141.0/24169.197.142.0/24169.197.143.0/24170.101.96.0/24170.101.97.0/24170.101.98.0/24170.101.99.0/24170.101.100.0/24170.101.101.0/24170.101.102.0/24170.101.105.0/24170.101.106.0/24170.101.107.0/24170.101.108.0/24170.101.109.0/24170.101.110.0/24170.101.111.0/24170.101.112.0/24170.168.61.0/24170.168.103.0/24171.22.111.0/24172.82.133.0/24172.98.208.0/24172.98.214.0/24172.99.188.0/24172.99.189.0/24172.99.190.0/24172.99.191.0/24172.111.36.0/24172.111.37.0/24172.111.38.0/24172.111.39.0/24172.252.212.0/24185.161.70.0/24185.176.204.0/24185.176.206.0/24185.177.229.0/24185.215.132.0/24185.215.133.0/24185.230.230.0/24185.240.161.0/24186.190.211.0/24186.190.213.0/24186.190.215.0/24186.190.223.0/24186.246.53.0/24189.74.108.0/24190.92.164.0/24191.44.66.0/24192.166.224.0/24192.166.225.0/24192.210.252.0/24193.106.248.0/24193.106.249.0/24193.106.250.0/24193.106.251.0/24193.108.103.0/24193.108.116.0/24193.108.117.0/24193.108.118.0/24193.108.119.0/24193.124.3.0/24193.151.160.0/24193.151.161.0/24193.151.163.0/24193.233.19.0/24194.36.38.0/24194.87.87.0/24198.17.175.0/24199.91.96.0/24201.3.227.0/24201.7.17.0/24207.180.38.0/24208.69.76.0/24208.69.78.0/24212.23.196.0/24213.59.112.0/24216.40.79.0/24216.106.176.0/24216.106.177.0/24216.106.178.0/24216.106.179.0/24216.106.180.0/24216.106.181.0/24216.106.182.0/24216.106.183.0/24216.106.184.0/24216.106.185.0/24216.106.186.0/24216.106.187.0/24216.106.188.0/24216.106.189.0/24216.106.190.0/24216.106.191.0/24216.152.144.0/24216.152.145.0/24216.152.148.0/24216.152.149.0/24216.152.150.0/24216.152.151.0/24216.152.152.0/24216.152.153.0/24216.152.154.0/24216.152.155.0/24216.152.156.0/24216.152.157.0/24216.152.158.0/23216.177.129.0/24216.247.104.0/24222.167.226.0/24
IPv6 (31)
2602:fec3:f00::/482604:7580:f2::/482604:86c0::/362604:86c0:1000::/362604:86c0:2000::/362604:86c0:3000::/362604:86c0:4000::/362604:86c0:5000::/362604:86c0:6000::/362604:86c0:7000::/362604:86c0:8000::/362604:86c0:9000::/362604:86c0:a000::/362604:86c0:b000::/362604:86c0:f000::/402604:86c0:f100::/402604:86c0:f200::/402604:86c0:f300::/402604:86c0:f400::/402604:86c0:f500::/402604:86c0:f600::/402605:e240:fe00::/482605:e240:fe05::/482605:e240:fe07::/482605:e240:fe0a::/482a07:e02:1100::/402a0f:f400::/292a10:fa80:18::/482a10:fa81:1a00::/402a13:c240::/292a13:e040::/29

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS63023 is reached through

The AS just before AS63023 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.

AS174 COGENT-174 56AS6939 HURRICANE 51AS3257 GTT-BACKBONE 22AS7029 WINDSTREAM 15AS13760 UNITI-FIBER 13AS6461 ZAYO-6461 9
ASPA

Provider authorization

AS63023 publishes no ASPA of its own. 4 ASes name it as a provider in theirs. Check a path.

The 4 ASes that name AS63023 as a provider
AS197946 AnyCastAS200325 BunnyCDNAS203391 CLOUDNSNETAS401661 EMBNEX-AS
IRR

Routing registry objects

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

Route objects with origin AS63023: ARIN 356 · RIPE 122 · RADB 99 · ALTDB 18 · AFRINIC 16 · LACNIC 3

as-sets that list AS63023 (20)
AS-FLEXENTIAL-CUSTOMERSAS-FLEXENTIAL-TEST2AS-GLOBALCOMPASSAS-GTHOSTAS-LONAP-CONNECTEDAS-LONAP-MLPAS-LONAP-MLP-V6AS-STORMWALL-SETAS-VALKYRIE-HOSTINGAS-WOWRACK-SEA01AS199746:AS-BLACKLISTAS203391:AS-UPSTREAMSAS204464:AS-BLACKLISTAS401659:AS-63023AS42476:AS-SWISSIX-CONNECTEDAS6777:AS-AMS-IX-RSAS6777:AS-AMS-IX-RS-SETSAS6777:AS-AMS-IX-RS-SETS-V6AS6777:AS-AMS-IX-RS-V6AS680:AS-AMSIX-RS-PEERS
Tools

Check AS63023 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup