AS36103 CENTRALUTAH - Central Utah Telephone, Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
146total
127 IPv419 IPv6
IPv4 Addresses
Allocated (RIR)8,192
Announced (BGP)93,696
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)1.5×10²⁹
Routing hygiene
Score 16/100 · Low riskRPKI ROA coverage
85.6%
no RPKI invalid prefixes
IRR route objects
97.9%
3 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 1/100
- Routes concentrated on one upstream (99% of routes)
- 14% of announced prefixes (21 of 146) have no valid ROA
Based on 146 announced prefixes, updated daily (2026-10-20). How the score works · RPKI explained
Announced Prefixes
(BGP)146|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 |
1-10 of 146
1 / 15
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.77.240.0/20 | 🇺🇸 US | ARIN | allocated |
| 67.207.32.0/20 | 🇺🇸 US | ARIN | allocated |
| 2604:76c0::/32 | 🇺🇸 US | ARIN | allocated |
All 146 announced prefixes of AS36103 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS54900 | 🇺🇸ALIANZA-INC - Alianza Inc. |
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS36103 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (22)
Networks whose own prefixes AS36103 passes on: usually its customers.
- AS31811Manti Tele Communication Company16
- AS395123CENTRACOM INTERACTIVE3
- AS401382Zenix Solutions3
- AS3990789STONE2
- AS401671ACCESSPARKS2
- AS10444ZB NATIONAL ASSOCIATION ZB, National Association1
- AS11663State Of Utah1
- AS11913Elevate Homescriptions1
- AS23423WASATCH BROADBAND Wasatch Broadband1
- AS25655Overstock.Com1
- AS32599DoTERRA International1
- AS33159Nature'S Sunshine Products1
- AS36595Payment Processing1
- AS36788Wells Rural Electric Company1
- AS47065USC / UFMG PEERING Research Testbed1
- AS53882Communitect1
- AS54900Alianza1
- AS54909Venafi1
- AS62584Platinum Data Centers1
- AS394751NetDocuments1
- AS400284Lifetime Products1
- AS402321Zenix1
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/36103Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/36103" | jq