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AS187

DNScast

AS187 is DNScast. It announces 4,608 IPv4 addresses in 17 prefixes, and 17 IPv6 prefixes.

United States· ARIN· allocated 2009-07-22· hosting

4,608
IPv4 addresses announced
17
IPv4 prefixes
17
IPv6 prefixes
100.00%
of its routes RPKI-valid
4,608
of its IPv4 geolocated
2
countries

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. United States4,096 · 88.89%
  2. Nepal512 · 11.11%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
DNSCAST-AS
name
DNScast
org
WOODY-2
org name
DNScast
org address
2351 Virginia Street, Berkeley, CA, 94709-1315
org city
Berkeley
org country
US
country
US
source
arin
created
2009-07-22
updated
2012-03-20
abuse name
Bill Woodcock
abuse email
woody@pch.net
abuse phone
+1-415-831-3103
abuse kind
person
abuse city
San Francisco
abuse country
US
admin name
Bill Woodcock
admin email
woody@pch.net
admin phone
+1-415-831-3103
admin kind
person
admin city
San Francisco
admin country
US
tech
BW1324-ARIN
tech name
Bill Woodcock
tech email
woody@pch.net
tech phone
+1-415-831-3103
tech kind
person
tech city
San Francisco
tech country
US
abuse validated
1

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

17 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
72.42.112.0/24United Statesvalid162026-10-02
72.42.113.0/24United Statesvalid162026-10-02
72.42.114.0/24United Statesvalid162026-10-02
72.42.115.0/24United Statesvalid162026-10-02
72.42.116.0/24United Statesvalid162026-10-02
72.42.117.0/24United Statesvalid162026-10-02
72.42.118.0/24United Statesvalid162026-10-02
72.42.119.0/24United Statesvalid162026-10-02
72.42.120.0/24United Statesvalid162026-10-02
72.42.121.0/24United Statesvalid162026-10-02
72.42.122.0/24United Statesvalid162026-10-02
72.42.123.0/24United Statesvalid162026-10-02
72.42.124.0/24United Statesvalid162026-10-02
72.42.125.0/24United Statesvalid162026-10-02
72.42.126.0/24United Statesvalid162026-10-02
72.42.127.0/24United Statesvalid162026-10-02
203.119.88.0/23Nepalvalid162026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

17 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2001:dd8:7::/48Nepalvalid182026-10-02
2620:171:d00::/48United Statesvalid182026-10-02
2620:171:d01::/48United Statesvalid182026-10-02
2620:171:d02::/48United Statesvalid182026-10-02
2620:171:d03::/48United Statesvalid182026-10-02
2620:171:d04::/48United Statesvalid182026-10-02
2620:171:d05::/48United Statesvalid182026-10-02
2620:171:d06::/48United Statesvalid182026-10-02
2620:171:d07::/48United Statesvalid182026-10-02
2620:171:d08::/48United Statesvalid182026-10-02
2620:171:d09::/48United Statesvalid182026-10-02
2620:171:d0a::/48United Statesvalid182026-10-02
2620:171:d0b::/48United Statesvalid182026-10-02
2620:171:d0c::/48United Statesvalid182026-10-02
2620:171:d0d::/48United Statesvalid182026-10-02
2620:171:d0e::/48United Statesvalid182026-10-02
2620:171:d0f::/48United Statesvalid182026-10-02
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