asn.dev

Address space

AS17506 UCOM ARTERIA Networks Corporation

Residential ARIN NSP

IPv4 prefixes 47 5.38M addresses
IPv6 prefixes 1
Most common size /15 IPv4
Flagged 8

Shape

IPv4 prefix sizes

All IPv4
/12
/12: 1
1
/13
/13: 3
3
/14
/14: 4
4
/15
/15: 8
8
/16
/16: 7
7
/17
/17: 3
3
/18
/18: 5
5
/19
/19: 1
1
/20
/20: 3
3
/21
/21: 1
1
/22
/22: 1
1
/23
/23: 1
1
/24
/24: 1
1
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/29
/29: 1
1
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1

A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

IPv6 prefix sizes

All IPv6
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
JPJapan48

Review

Flagged prefixes

8 of 48
PrefixFamilyAddressesCountryFlags
58.158.177.0/26IPv464JPToo specific
58.158.177.64/27IPv432JPToo specific
58.158.177.96/30IPv44JPToo specific
58.158.177.100/31IPv42JPToo specific
58.158.177.103/32IPv41JPToo specific
58.158.177.104/29IPv48JPToo specific
58.158.177.112/28IPv416JPToo specific
58.158.177.128/25IPv4128JPToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.