AS30283
Morrison & Foerster
AS30283 is Morrison & Foerster (mofo.com). It announces 1,792 IPv4 addresses in 7 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2003-08-26· business
1,792
IPv4 addresses announced
7
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
1,792
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States1,792 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MOFO
- name
- Morrison & Foerster
- org
- MORRIS-1
- org name
- Morrison & Foerster
- org address
- 425 Market Street, San Francisco, CA, 94105
- org city
- San Francisco
- org country
- US
- country
- US
- source
- arin
- created
- 2003-08-26
- updated
- 2012-03-02
- abuse name
- Kin Lai
- abuse email
- dns-admin@mofo.com
- abuse phone
- +1-415-268-7700
- abuse kind
- person
- abuse city
- San Francisco
- abuse country
- US
- admin name
- Kin Lai
- admin email
- dns-admin@mofo.com
- admin phone
- +1-415-268-7700
- admin kind
- person
- admin city
- San Francisco
- admin country
- US
- tech name
- Kin Lai
- tech email
- dns-admin@mofo.com
- tech phone
- +1-415-268-7700
- tech kind
- person
- tech city
- San Francisco
- tech country
- US
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.17%
- None here
- 0.22%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 199.5.146.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.130.0.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.130.1.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.130.3.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.130.5.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.130.6.0/24 | United States | not found | 17 | 2026-10-02 |
| 205.132.121.0/24 | United States | not found | 17 | 2026-10-02 |
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.