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AS203

158 IPv4 prefixes 2 IPv6 prefixes
IPv4 addresses
329,216
IPv6 /48 networks
65,537
RPKI
15 valid1 invalid144 no ROA
Peers and downstreams
0

Holder

AS name
Organisation
Not published
Abuse contact
Not published
Registered
2002-06-05
Record last changed
2019-12-04 21:15 UTC
128.177.179.0/24130.174.15.0/24130.174.17.0/24130.174.202.0/24143.112.0.0/17143.112.128.0/18143.112.128.0/22143.112.144.0/22143.112.192.0/19143.112.224.0/19143.112.68.0/22143.199.109.0/24143.199.135.0/24143.199.140.0/23143.199.145.0/24143.199.222.0/24143.199.28.0/24143.199.96.0/24148.59.168.0/24148.59.169.0/24149.21.0.0/16156.42.0.0/19156.42.128.0/19156.42.160.0/19156.42.192.0/19156.42.224.0/19156.42.32.0/19156.42.64.0/19156.42.96.0/19158.120.127.0/24161.209.100.0/24161.209.101.0/24161.209.102.0/24161.209.103.0/24161.209.111.0/24161.209.192.0/19161.209.225.0/24161.209.96.0/20161.209.96.0/24161.209.97.0/24161.209.98.0/24161.209.99.0/24170.22.90.0/24170.46.0.0/16170.46.10.0/24170.46.132.0/23170.46.150.0/24170.46.155.0/24170.46.162.0/24170.46.200.0/24189.125.51.0/24192.147.2.0/24192.26.214.0/24192.42.110.0/24198.135.250.0/24198.200.148.0/24204.146.159.0/24204.153.154.0/23204.164.72.0/24204.17.219.0/24205.139.102.0/24205.139.103.0/24205.139.104.0/22205.139.108.0/24205.166.171.0/24206.169.67.0/24206.203.64.0/18206.227.192.0/24206.227.193.0/24206.227.194.0/24206.227.195.0/24206.227.196.0/24206.227.199.0/24206.227.200.0/24206.227.205.0/24206.227.206.0/24206.227.208.0/24206.227.209.0/24206.227.210.0/24206.227.211.0/24206.227.216.0/23206.227.220.0/23206.227.223.0/24206.227.226.0/24206.227.227.0/24206.227.229.0/24206.227.233.0/24206.227.235.0/24206.79.6.0/24209.164.192.0/24209.164.193.0/24209.164.194.0/24209.164.195.0/24209.164.204.0/24209.164.205.0/24209.164.207.0/24209.164.208.0/24209.164.209.0/24209.164.211.0/24209.164.220.0/24209.164.221.0/24209.164.223.0/24209.67.132.0/22209.67.136.0/22212.138.164.0/24216.114.73.0/24216.163.240.0/24216.163.241.0/24216.163.242.0/24216.163.243.0/24216.163.244.0/24216.163.245.0/24216.163.246.0/24216.163.247.0/24216.163.248.0/24216.163.249.0/24216.163.250.0/24216.163.251.0/24216.163.252.0/24216.163.253.0/24216.163.254.0/24216.163.255.0/24216.235.200.0/21216.32.151.0/24216.33.160.0/2438.107.240.0/2450.58.252.0/2462.67.222.0/2463.106.6.0/2463.128.0.0/2263.128.1.0/2463.128.12.0/2463.128.14.0/2463.128.20.0/2463.128.24.0/2463.128.7.0/2463.128.8.0/2263.144.218.0/2463.150.74.0/2363.175.205.0/2463.233.90.0/2464.208.127.0/2464.209.141.0/2464.210.246.0/2464.22.148.0/2464.241.120.0/2464.241.121.0/2465.121.54.0/2465.222.131.0/2465.240.184.0/2366.193.107.0/2466.194.187.0/248.15.229.0/248.18.63.0/248.20.69.0/248.25.26.0/248.44.205.0/248.7.155.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS203 AS203 AS203 AS203

Network health

Grade D · 47/100
partly Prefixes covered by valid ROAs
15 of 160 announced prefixes are RPKI valid, 144 have no ROA.		 2/25
fail No RPKI invalid announcements
1 announced prefix is RPKI invalid and dropped by networks that validate.		 0/10
pass Announces IPv6
2 IPv6 prefixes.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
abuse@level3.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2019-12-04.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS203 health AS203 RPKI
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Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS203
as-name:        CENTURYLINK-LEGACY-LVLT-203
handle:         AS203
registrant:     LPL-141 (Level 3 Parent, LLC)
abuse:          LAC56-ARIN (L3 Abuse Contact) <abuse@level3.com>
administrative,technical:APL7-ARIN (ADMIN POC LVLT) <ipadmin@lumen.com>
routing:        RPKIR-ARIN (RPKI-ROA) <rpki-roa@lumen.com>
last changed:   2019-12-04T16:15:27-05:00
registration:   2002-06-05T00:00:00-04:00
source:         ARIN (RDAP)