AS21738 Rozint

ROZINT - Rozint · registered in the United States

IPv4 addresses2,8167 prefixes · <0.001% of announced IPv4

Rank in United States#5,440largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,252of 79,396 networks with IPv4

IPv6515 x /4821 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21738 in ASN lookup Look up an IP in this network (2.59.255.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

2.59.255.0/24
23.150.40.0/23
23.160.200.0/24
43.255.189.0/24
140.235.156.0/24
185.125.142.0/24
216.40.92.0/22

IPv6 prefixes

All 21 prefixes.

2602:2b7:40::/48
2602:2b7:c8::/48
2602:2b7:e1::/48
2602:2b7:600::/48
2602:2b7:c00::/44
2602:2b7:c10::/46
2602:2b7:c15::/48
2602:2b7:c16::/47
2602:2b7:c18::/45
2602:2b7:c20::/43
2602:2b7:c40::/42
2602:2b7:c80::/41
2602:2b7:d00::/47
2602:2b7:d02::/48
2602:2b7:d03::/48
2602:2b7:d04::/46
2602:2b7:d08::/45
2602:2b7:d10::/44
2602:2b7:d20::/43
2602:2b7:d40::/42
2602:2b7:d80::/41

Other ASNs named Rozint

2 other networks use the same organisation name; together with AS21738 they announce 3,072 IPv4 addresses.

ASNNameIPv4 addresses

AS6589ROZINT - Rozint US256

AS25759F4-NETWORKS - Rozint USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses

AS63252#5437 HCDL-PHOENIX-DATA-CENTER - H5 Data Centers2,816

AS46997#5438 NATOLAB - Black Mesa Corporation2,816

AS6363#5439 EXTREME-NETWORKS - Extreme Networks, Inc.2,816

AS25846#5441 US-CLOUDNIUM-01 - Cloudnium LLC2,816

AS402898#5442 PPFLIGHT - ppflight2,816

AS53808#5443 MOEDOVE-N2 - MoeDove2,816

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources