AS52251 NORTECH
AS52251 (AS52251) is registered to NORTECH in AR. It originates 197 prefixes in the global routing table.
196
IPv4 prefixes
1
IPv6 prefixes
32,768
IPv4 addresses
99%
RPKI valid
Registration
Who holds AS52251
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS52251
Handle
AS52251
Organization
NORTECH
Country
AR
ASPA
None published
Routing
What AS52251 announces
Prefixes originated by AS52251 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
196
IPv6 prefixes
1
IPv4 addresses
32,768 (128 /24s)
RPKI valid
196 99%
RPKI invalid
0
RPKI not found
1
ROAs naming AS52251
133
With an IRR route object
194 98%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (196)
181.225.192.0/19181.225.192.0/23181.225.192.0/24181.225.193.0/24181.225.194.0/23181.225.194.0/24181.225.195.0/24181.225.196.0/23181.225.196.0/24181.225.197.0/24181.225.198.0/23181.225.198.0/24181.225.199.0/24181.225.200.0/23181.225.200.0/24181.225.201.0/24181.225.202.0/23181.225.202.0/24181.225.203.0/24181.225.204.0/23181.225.204.0/24181.225.205.0/24181.225.206.0/23181.225.206.0/24181.225.207.0/24181.225.208.0/23181.225.208.0/24181.225.209.0/24181.225.210.0/23181.225.210.0/24181.225.211.0/24181.225.212.0/23181.225.212.0/24181.225.213.0/24181.225.214.0/23181.225.214.0/24181.225.215.0/24181.225.216.0/23181.225.216.0/24181.225.217.0/24181.225.218.0/23181.225.218.0/24181.225.219.0/24181.225.220.0/23181.225.220.0/24181.225.221.0/24181.225.222.0/23181.225.222.0/24181.225.223.0/24186.0.136.0/21186.0.136.0/23186.0.136.0/24186.0.137.0/24186.0.138.0/23186.0.138.0/24186.0.139.0/24186.0.140.0/23186.0.140.0/24186.0.141.0/24186.0.142.0/23186.0.142.0/24186.0.143.0/24186.1.224.0/20186.1.224.0/23186.1.224.0/24186.1.225.0/24186.1.226.0/23186.1.226.0/24186.1.227.0/24186.1.228.0/23186.1.228.0/24186.1.229.0/24186.1.230.0/23186.1.230.0/24186.1.231.0/24186.1.232.0/23186.1.232.0/24186.1.233.0/24186.1.234.0/23186.1.234.0/24186.1.235.0/24186.1.236.0/23186.1.236.0/24186.1.237.0/24186.1.238.0/23186.1.238.0/24186.1.239.0/24186.1.240.0/21186.1.240.0/23186.1.240.0/24186.1.241.0/24186.1.242.0/23186.1.242.0/24186.1.243.0/24186.1.244.0/23186.1.244.0/24186.1.245.0/24186.1.246.0/23186.1.246.0/24186.1.247.0/24190.181.64.0/18190.181.64.0/19190.181.64.0/23190.181.64.0/24190.181.65.0/24190.181.66.0/23190.181.66.0/24190.181.67.0/24190.181.68.0/23190.181.68.0/24190.181.69.0/24190.181.70.0/23190.181.70.0/24190.181.71.0/24190.181.72.0/23190.181.73.0/24190.181.74.0/23190.181.75.0/24190.181.76.0/23190.181.76.0/24
Show 76 more
190.181.77.0/24190.181.78.0/23190.181.78.0/24190.181.79.0/24190.181.80.0/23190.181.80.0/24190.181.81.0/24190.181.82.0/23190.181.82.0/24190.181.83.0/24190.181.84.0/23190.181.84.0/24190.181.85.0/24190.181.86.0/23190.181.86.0/24190.181.87.0/24190.181.88.0/23190.181.88.0/24190.181.89.0/24190.181.90.0/23190.181.90.0/24190.181.91.0/24190.181.92.0/23190.181.92.0/24190.181.93.0/24190.181.94.0/23190.181.94.0/24190.181.95.0/24190.181.96.0/19190.181.96.0/23190.181.96.0/24190.181.97.0/24190.181.98.0/23190.181.98.0/24190.181.99.0/24190.181.100.0/23190.181.100.0/24190.181.101.0/24190.181.102.0/23190.181.103.0/24190.181.104.0/23190.181.104.0/24190.181.105.0/24190.181.106.0/23190.181.106.0/24190.181.107.0/24190.181.108.0/23190.181.108.0/24190.181.109.0/24190.181.110.0/23190.181.110.0/24190.181.111.0/24190.181.112.0/23190.181.112.0/24190.181.113.0/24190.181.114.0/23190.181.114.0/24190.181.115.0/24190.181.116.0/23190.181.116.0/24190.181.117.0/24190.181.118.0/23190.181.118.0/24190.181.119.0/24190.181.120.0/23190.181.120.0/24190.181.121.0/24190.181.122.0/23190.181.122.0/24190.181.123.0/24190.181.124.0/23190.181.124.0/24190.181.125.0/24190.181.126.0/23190.181.126.0/24190.181.127.0/24
IPv6 (1)
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS52251 is reached through
The AS just before AS52251 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.
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| LACNIC | AS52251 | MNT-AR-NORT2-LACNIC |
Route objects with origin AS52251: LACNIC 133 · RADB 70
as-sets that list AS52251 (27)
AS-18747AS-267613AS-28124AS-28513AS-CTBC-TOOLS-10AS-DURAND1-CUSTOMERAS-E1-AUTOMATION-CUSTOMERAS-EMBRATELNETAS-FLYSAS-GNT-CUSTOMERSAS-HUGENET-CUSTOMERSAS-ITXCHILEAS-MZTELL-CUSTOMERSAS-OPENX-CUSTOMERSAS-STORMWALL-SETAS-UFLA-TRANSCUSTAS11014:AS-CUSTOMERSAS262196:AS-INTERFACENETAS263702:AS-CUSTOMERSAS263702:AS-TRANSITAS264619:AS-NORTECHAS266725:AS-SAWERINAS27964:AS-NORTECHAS3491:AS-CUSTOMERS-NAAS52251:AS-NORTECHAS52320:AS-CUSTOMERSAS52426:AS-PEER