AS4181 TDS TELECOM
IPv4 addresses
1,809,152
IPv6 /48 networks
1,179,649
RPKI
81 valid6 no ROA
Peers and downstreams
73
Holder
- AS name
- TDS-AS
- Description
- TDS Telecommunications LLC 525 Junction Road Madison, WI 53717 US
- Organisation
- TDS TELECOM
- Abuse contact
- Not published
- Assigned
- 1994-12-15
- Registered
- 1994-12-16
- Record last changed
- 2019-07-03 23:56 UTC
129.189.0.0/16134.140.0.0/16134.215.0.0/16135.131.0.0/16135.134.0.0/15139.135.0.0/19146.174.0.0/17157.212.0.0/16159.112.0.0/17159.94.0.0/16167.237.0.0/16184.60.0.0/15192.154.94.0/24198.59.191.0/24204.15.56.0/21204.194.5.0/24204.246.0.0/20206.197.131.0/24206.206.144.0/24208.100.128.0/18208.117.112.0/20208.73.88.0/21209.169.196.0/23209.169.202.0/23209.169.204.0/22209.169.216.0/23209.169.220.0/22216.165.128.0/18216.170.128.0/17216.228.160.0/19216.87.224.0/20217.143.0.0/1624.224.64.0/1824.236.32.0/2124.236.52.0/2224.40.80.0/2024.49.128.0/2024.49.160.0/2024.49.96.0/2024.52.0.0/2124.52.18.0/2324.52.20.0/2224.52.32.0/2224.52.8.0/2224.54.128.0/2024.54.144.0/2224.54.148.0/2324.54.160.0/2224.54.164.0/2324.54.168.0/2224.54.180.0/2224.54.184.0/2124.56.160.0/2224.56.170.0/2324.56.176.0/2224.56.180.0/2324.56.188.0/2324.75.192.0/2140.161.0.0/1650.21.192.0/2064.17.68.0/2264.17.72.0/2364.17.76.0/2264.17.80.0/2064.35.192.0/2064.50.224.0/1964.83.160.0/1966.173.0.0/1766.220.96.0/1966.222.0.0/1767.204.128.0/1867.217.16.0/2367.217.8.0/2168.71.160.0/1969.11.128.0/1769.128.0.0/1469.21.0.0/1672.0.160.0/1972.35.128.0/1974.211.0.0/1874.211.64.0/1975.100.0.0/1696.60.0.0/15
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Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 83/100| partly | Prefixes covered by valid ROAs 81 of 87 announced prefixes are RPKI valid, 6 have no ROA. |
23/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 4 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 4 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@tds.net 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 2019-07-03. |
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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Routing changes
Last 30 days| 2026-10-04 01:54 UTC | New prefix | 489 changes | large update, details not stored |
WHOIS
aut-num: AS4181 as-name: TDS-AS handle: AS4181 registrant: TDST-Z (TDS TELECOM) technical,administrative:INE14-ARIN (IP Network Engineering) <IPRequests@tdstelecom.com> technical: SERVI6-ARIN (Service Activation) <serviceactivation@tdstelecom.com> abuse: ABUSE163-ARIN (abuse) <abuse@tds.net> technical: INO44-ARIN (IP Network Operations) <ispadmin@tdstelecom.com> last changed: 2019-07-03T19:56:41-04:00 registration: 1994-12-16T00:00:00-05:00 source: ARIN (RDAP)