asn.dev

Address space

AS61568 ALOO TELECOM - FSF TECNOLOGIA SA

Residential APNIC

IPv4 prefixes 1,636 12.54K addresses
IPv6 prefixes 70
Most common size /31 IPv4
Flagged 1,634

Shape

IPv4 prefix sizes

All IPv4
/24
/24: 2
2
/25
/25: 13
13
/26
/26: 19
19
/27
/27: 69
69
/28
/28: 149
149
/29
/29: 208
208
/30
/30: 312
312
/31
/31: 784
784
/32
/32: 80
80

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
/33
/33: 1
1
/35
/35: 1
1
/36
/36: 3
3
/37
/37: 3
3
/38
/38: 3
3
/39
/39: 3
3
/40
/40: 3
3
/41
/41: 3
3
/42
/42: 2
2
/43
/43: 3
3
/44
/44: 3
3
/45
/45: 4
4
/46
/46: 9
9
/47
/47: 15
15
/48
/48: 14
14

Geography

Where the space lands

CountryNamePrefixes
BRBrazil1,706

Review

Flagged prefixes

1,634 of 1,706
PrefixFamilyAddressesCountryFlags
177.12.224.0/30IPv44BRToo specific
177.12.224.4/31IPv42BRToo specific
177.12.224.6/32IPv41BRToo specific
177.12.224.7/32IPv41BRToo specific
177.12.224.8/32IPv41BRToo specific
177.12.224.9/32IPv41BRToo specific
177.12.224.10/31IPv42BRToo specific
177.12.224.12/30IPv44BRToo specific
177.12.224.16/28IPv416BRToo specific
177.12.224.32/27IPv432BRToo specific
177.12.224.64/26IPv464BRToo specific
177.12.224.128/25IPv4128BRToo specific
177.12.225.0/25IPv4128BRToo specific
177.12.225.128/26IPv464BRToo specific
177.12.225.192/28IPv416BRToo specific
177.12.225.208/31IPv42BRToo specific
177.12.225.210/31IPv42BRToo specific
177.12.225.212/30IPv44BRToo specific
177.12.225.216/31IPv42BRToo specific
177.12.225.218/31IPv42BRToo specific
177.12.225.220/30IPv44BRToo specific
177.12.225.224/27IPv432BRToo specific
177.12.226.0/27IPv432BRToo specific
177.12.226.32/28IPv416BRToo specific
177.12.226.48/29IPv48BRToo specific

The first 25. Every flag also shows in the IPv4 and IPv6 lists.

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