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API Packages
IP Geolocation
Reverse Geocoding
Phone & Email Verification
Network Engineering
Free API
Tools
What is my IP?
IP Lookup
ASN Lookup
Network Lookup
Insights
Daily IP Geolocation Accuracy Report
ASN Rank by IPv4 space
Tor Exit Nodes
Bogon Routes
IPv4 Address Space Report
IPv6 Address Space Report
Resources
Getting Started
Support Articles
Blog
Sign In
Sign Up
ASN Lookup Tool
AS18937 NMC
Powered By:
ASN Extended Info API
&
BGP Active Prefixes API
Home
Asn Lookup
As18937
ASN DETAILS
MAP
JSON VIEW
ASN Details
ASN
AS18937
Organisation
National Monitoring Center
Name
NMC
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#47,515 out of 79,194
Registry
Arin
Registered Country
US
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2012-03-02
Receiving From
ASN
Organisation
AS7018
AT&T Enterprises, LLC
AS3356
Level 3 Parent, LLC
AS11427
Charter Communications Inc
IPv4 Active Prefixes
Prefix
Range From
Range To
12.197.228.0/24
12.197.228.0
12.197.228.255
67.129.151.0/24
67.129.151.0
67.129.151.255
Look Up
Enter AS Number eg: AS714 or 714