ResearchRouting table, RPKI, IRR & looking glass

AS36103 Central Utah Telephone, Inc.

AS36103 (CENTRALUTAH) is registered to Central Utah Telephone, Inc. in US. It originates 145 prefixes in the global routing table.

126
IPv4 prefixes
19
IPv6 prefixes
70,144
IPv4 addresses
85%
RPKI valid

Who holds AS36103

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

AS number
AS36103
Handle
CENTRALUTAH
Organization
Central Utah Telephone, Inc.
Country
US
ASPA
None published

What AS36103 announces

Prefixes originated by AS36103 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
126
IPv6 prefixes
19
IPv4 addresses
70,144 (274 /24s)
RPKI valid
124 85%
RPKI invalid
0
RPKI not found
21
ROAs naming AS36103
49
With an IRR route object
89 61%

Announced prefixes

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

IPv4 (126)
23.88.160.0/2023.88.160.0/2323.88.162.0/2423.88.163.0/2423.88.164.0/2423.88.165.0/2423.88.166.0/2423.88.167.0/2423.88.168.0/2423.88.169.0/2423.88.170.0/2423.88.171.0/2423.88.172.0/2423.88.173.0/2423.88.174.0/2423.88.175.0/2463.78.116.0/2263.78.212.0/2263.90.74.0/2464.62.176.0/2464.72.208.0/2064.72.216.0/2464.72.217.0/2464.77.208.0/2364.77.209.0/2464.77.240.0/2064.77.241.0/2465.49.6.0/2365.49.58.0/2365.49.74.0/2365.49.84.0/2265.49.85.0/2465.49.86.0/2465.49.87.0/2465.49.90.0/2365.49.94.0/2365.49.96.0/2265.49.116.0/2265.49.116.0/2365.49.118.0/2465.49.120.0/2265.49.120.0/2465.49.121.0/2465.49.122.0/2465.49.123.0/2465.203.16.0/2265.203.16.0/2466.160.202.0/2466.220.27.0/2467.207.32.0/2067.207.32.0/2267.207.36.0/2467.207.46.0/2468.68.166.0/2368.70.232.0/2268.70.236.0/2468.70.247.0/2468.70.253.0/2468.70.254.0/2469.163.64.0/2069.163.65.0/2469.163.66.0/2469.163.67.0/2469.163.68.0/2469.163.69.0/2469.163.70.0/2369.163.72.0/2469.163.73.0/2469.163.74.0/2469.163.75.0/2469.163.76.0/2469.163.77.0/2469.163.78.0/2469.163.79.0/2472.52.109.0/2474.50.216.0/2174.50.217.0/2474.82.6.0/2374.82.44.0/2374.82.54.0/2374.82.57.0/2497.75.224.0/2397.75.225.0/24148.85.0.0/18148.85.10.0/24198.135.172.0/22198.135.174.0/24202.69.144.0/20202.69.144.0/24202.69.145.0/24202.69.146.0/24202.69.147.0/24202.69.148.0/24202.69.149.0/24202.69.150.0/24202.69.151.0/24202.69.152.0/24202.69.153.0/24202.69.154.0/24202.69.155.0/24202.69.157.0/24202.69.158.0/24202.69.159.0/24204.225.16.0/20204.225.16.0/22205.197.208.0/20205.197.208.0/24205.197.209.0/24205.197.210.0/24205.197.211.0/24205.197.212.0/24205.197.213.0/24205.197.214.0/24205.197.215.0/24205.197.216.0/24205.197.217.0/24205.197.218.0/24205.197.219.0/24205.197.220.0/24205.197.221.0/24
Show 6 more
IPv6 (19)

RPKI valid   RPKI invalid   no ROA covers it

Who AS36103 is reached through

The AS just before AS36103 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.

Provider authorization

AS36103 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS36103 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
ARINCENTRACOM-AS36103MNT-CNUT

Route objects with origin AS36103: ARIN 99

as-sets that list AS36103 (9)