AS13977 CTELCO - Fidium
🇺🇸ARINassigned
Announced Prefixes (BGP)
811total
803 IPv48 IPv6
IPv4 Addresses
Allocated (RIR)276,992
Announced (BGP)869,120
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)9.1×10²⁸
Routing hygiene
Score 44/100 · Medium riskRPKI ROA coverage
0.6%
1 prefix RPKI invalid
IRR route objects
99.4%
3 prefixes registered for another origin
Hijack signals
1
1 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 13/100
- 99% of announced prefixes (806 of 811) have no valid ROA, 1 of them RPKI invalid
- Routes concentrated on one upstream (93% of routes)
- Announces 1 prefix that RPKI assigns to another network (possible hijack or misconfiguration)
Based on 811 announced prefixes, updated daily (2026-10-20). How the score works · RPKI explained
Announced Prefixes
(BGP)811|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 |
1-10 of 811
1 / 82
Allocated Prefixes
(RIR)21Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.222.128.0/18 | 🇺🇸 US | ARIN | allocated |
| 64.222.192.0/18 | 🇺🇸 US | ARIN | allocated |
| 69.53.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 70.8.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 70.16.96.0/20 | 🇺🇸 US | ARIN | allocated |
| 70.20.32.0/19 | 🇺🇸 US | ARIN | allocated |
| 71.161.80.0/20 | 🇺🇸 US | ARIN | allocated |
| 71.161.192.0/19 | 🇺🇸 US | ARIN | allocated |
| 71.173.64.0/19 | 🇺🇸 US | ARIN | allocated |
| 71.254.96.0/20 | 🇺🇸 US | ARIN | allocated |
1-10 of 21
1 / 3
All 811 announced prefixes of AS13977 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS6248 | 🇺🇸DEKA-R-D - DEKA Research & Development Corp |
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS13977 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (46)
Networks whose own prefixes AS13977 passes on: usually its customers.
- AS13672Fidium46
- AS32645Fidium31
- AS32508Granite State Communications27
- AS14671FairPoint Communications19
- AS399353Netafy15
- AS11847GoNetSpeed9
- AS14437C&S WHOLESALE GROCERS7
- AS22847Bowdoin College6
- AS400893Fiber Connect6
- AS13673Fidium5
- AS55128McFarlane Associates4
- AS17152Bates College3
- AS33728Unitel3
- AS54257Vermont State Colleges3
- AS400848DHI TECHNICAL SERVICES3
- AS26372Vermont Information Processing2
- AS33555Stonemarche Network CoOp2
- AS62630Husson University2
- AS393568ITT Corporation2
- AS394653Bar Harbor Bank & Trust2
- AS401455Clearline Communications2
- AS6248DEKA Research & Development1
- AS10858Hypertherm1
- AS11197Dartmouth Hitchcock Medical Center1
- AS22270Bangor Savings Bank1
- AS25937Trans Video1
- AS30034The Vermont Country Store1
- AS30669Camden National Bank1
- AS36501GARMIN INTERNATIONAL1
- AS40229MaineHealth Maine Medical Center1
- AS40737EMF1
- AS40757MMG Insurance Company1
- AS46820Littleton Regional Hospital1
- AS46925PAVLOV MEDIA1
- AS53549Hussey Seating Company1
- AS55175RainWorx1
- AS63243Synergent1
- AS394174American International Distribution Corporation1
- AS394632Catholic Medical Center1
- AS395001State Of Maine1
- AS395342Exeter Hospital1
- AS396437COMMUNICATIONS LABORATORIES1
- AS397145Rangeley Internet Company1
- AS398923MainePERS1
- AS401340Hussey Communications1
- AS401671ACCESSPARKS1
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/13977Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/13977" | jq