143.133.0.0/16 IP Address Range

Explore geolocation information for IP ranges, including the start and end addresses and their corresponding CIDR or prefix. See details about the networks and locations associated with each address. Understand how these IPs are organized and distributed across different networks.

IPv4 range intelligence

143.133.0.0/16

Anycast
0 (0.00%)
Responding /24s
0 (of 256)
CDN
0 (0.00%)
RPKI valid
0.0%

Summary

143.133.0.0/16 holds 65,536 addresses spread across 1 country and 2 autonomous systems, announced through 2 BGP prefixes. The largest single share sits in United States at 100.00%. It is administered by ARIN, with registrations dating from 1990-09-19. 0 addresses answered ping and 0 are served over anycast.

Networks
2
BGP prefixes
2
Countries
1
Pingable IPs
0
Companies
2
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

0 flagged addresses — 0.00% of 65,536 total.

Anonymous
00.00%
Known attacker
00.00%
Spam
00.00%
Bot
00.00%
Cloud provider
00.00%
VPN
00.00%
Residential proxy
00.00%
Proxy
00.00%

Coverage

Address Space

75.0%

of the range is
announced in BGP

Routed
49,152 75.00%
Assigned, not routed
16,384 25.00%

Regional registry

  • ARIN100.00%

Routing security (RPKI)

0.0%

of announced space
has a valid route origin

No ROA
49,152 100.00%

/16 range map

Explore the most reachable child ranges.

    Autonomous systems

    showing 2 of 2

    ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
    AS749
    USUnited States Department of Defense
    		 3,133 0 32,768
    66.67%
    AS1540
    USU.S. Army Information Systems Command
    		 2,187 65 16,384
    33.33%

    Showing 2 of 2

    All IP Ranges

    showing 10 of 256

    PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
    143.133.0.0/24 143.133.0.0143.133.0.255256 0 0 0 No ping response
    143.133.1.0/24 143.133.1.0143.133.1.255256 0 0 0 No ping response
    143.133.2.0/24 143.133.2.0143.133.2.255256 0 0 0 No ping response
    143.133.3.0/24 143.133.3.0143.133.3.255256 0 0 0 No ping response
    143.133.4.0/24 143.133.4.0143.133.4.255256 0 0 0 No ping response
    143.133.5.0/24 143.133.5.0143.133.5.255256 0 0 0 No ping response
    143.133.6.0/24 143.133.6.0143.133.6.255256 0 0 0 No ping response
    143.133.7.0/24 143.133.7.0143.133.7.255256 0 0 0 No ping response
    143.133.8.0/24 143.133.8.0143.133.8.255256 0 0 0 No ping response
    143.133.9.0/24 143.133.9.0143.133.9.255256 0 0 0 No ping response