asn.dev

Address space

AS18403 FPT-AS-AP FPT Telecom Company

IPv4 prefixes 1,077 1.42M addresses
IPv6 prefixes 1,472
Most common size /24 IPv4
Flagged 5

Shape

Prefix sizes

IPv4
/18
/18: 7
7
/19
/19: 30
30
/20
/20: 77
77
/21
/21: 147
147
/22
/22: 215
215
/23
/23: 282
282
/24
/24: 314
314
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/29
/29: 1
1

How this network carves its IPv4 space. 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

Prefix sizes

IPv6
/32
/32: 1
1
/34
/34: 1
1
/35
/35: 4
4
/36
/36: 8
8
/37
/37: 15
15
/38
/38: 18
18
/39
/39: 32
32
/40
/40: 59
59
/41
/41: 76
76
/42
/42: 141
141
/43
/43: 245
245
/44
/44: 307
307
/45
/45: 167
167
/46
/46: 209
209
/47
/47: 183
183
/48
/48: 6
6

Geography

Where the space lands

CountryNamePrefixes
VNViet Nam2,549

Review

Flagged prefixes

5 of 2,549
PrefixFamilyAddressesCountryFlags
58.187.205.0/25IPv4128VNToo specific
58.187.205.128/27IPv432VNToo specific
58.187.205.160/29IPv48VNToo specific
58.187.205.176/28IPv416VNToo specific
58.187.205.192/26IPv464VNToo specific

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

Inventory

All prefixes

showing 400 of 2,549
PrefixFamilyAddressesCountryFlags
1.52.0.0/18IPv416,384VN
1.52.64.0/22IPv41,024VN
1.52.68.0/23IPv4512VN
1.52.70.0/23IPv4512VN
1.52.72.0/21IPv42,048VN
1.52.80.0/20IPv44,096VN
1.52.96.0/19IPv48,192VN
1.52.128.0/19IPv48,192VN
1.52.160.0/21IPv42,048VN
1.52.168.0/22IPv41,024VN
1.52.172.0/23IPv4512VN
1.52.174.0/23IPv4512VN
1.52.176.0/20IPv44,096VN
1.52.192.0/20IPv44,096VN
1.52.208.0/21IPv42,048VN
1.52.216.0/21IPv42,048VN
1.52.224.0/21IPv42,048VN
1.52.232.0/22IPv41,024VN
1.52.236.0/23IPv4512VN
1.52.238.0/24IPv4256VN
1.52.239.0/24IPv4256VN
1.52.240.0/20IPv44,096VN
1.53.0.0/20IPv44,096VN
1.53.16.0/21IPv42,048VN
1.53.24.0/24IPv4256VN
1.53.25.0/24IPv4256VN
1.53.26.0/23IPv4512VN
1.53.28.0/22IPv41,024VN
1.53.32.0/19IPv48,192VN
1.53.64.0/19IPv48,192VN
1.53.96.0/22IPv41,024VN
1.53.100.0/24IPv4256VN
1.53.101.0/24IPv4256VN
1.53.102.0/23IPv4512VN
1.53.104.0/21IPv42,048VN
1.53.112.0/21IPv42,048VN
1.53.120.0/23IPv4512VN
1.53.122.0/24IPv4256VN
1.53.123.0/24IPv4256VN
1.53.124.0/22IPv41,024VN
1.53.128.0/21IPv42,048VN
1.53.136.0/22IPv41,024VN
1.53.140.0/24IPv4256VN
1.53.141.0/24IPv4256VN
1.53.142.0/23IPv4512VN
1.53.144.0/21IPv42,048VN
1.53.152.0/22IPv41,024VN
1.53.156.0/24IPv4256VN
1.53.157.0/24IPv4256VN
1.53.158.0/23IPv4512VN
1.53.160.0/19IPv48,192VN
1.53.192.0/18IPv416,384VN
1.54.0.0/19IPv48,192VN
1.54.32.0/20IPv44,096VN
1.54.48.0/23IPv4512VN
1.54.50.0/23IPv4512VN
1.54.52.0/22IPv41,024VN
1.54.56.0/21IPv42,048VN
1.54.64.0/18IPv416,384VN
1.54.128.0/18IPv416,384VN
1.54.192.0/19IPv48,192VN
1.54.224.0/20IPv44,096VN
1.54.240.0/21IPv42,048VN
1.54.248.0/22IPv41,024VN
1.54.252.0/24IPv4256VN
1.54.253.0/24IPv4256VN
1.54.254.0/23IPv4512VN
1.55.0.0/20IPv44,096VN
1.55.16.0/21IPv42,048VN
1.55.24.0/24IPv4256VN
1.55.25.0/24IPv4256VN
1.55.26.0/23IPv4512VN
1.55.28.0/22IPv41,024VN
1.55.32.0/20IPv44,096VN
1.55.48.0/21IPv42,048VN
1.55.56.0/21IPv42,048VN
1.55.64.0/22IPv41,024VN
1.55.68.0/23IPv4512VN
1.55.70.0/23IPv4512VN
1.55.72.0/21IPv42,048VN
1.55.80.0/21IPv42,048VN
1.55.88.0/22IPv41,024VN
1.55.92.0/23IPv4512VN
1.55.94.0/24IPv4256VN
1.55.95.0/24IPv4256VN
1.55.96.0/23IPv4512VN
1.55.98.0/23IPv4512VN
1.55.100.0/22IPv41,024VN
1.55.104.0/21IPv42,048VN
1.55.112.0/22IPv41,024VN
1.55.116.0/22IPv41,024VN
1.55.120.0/21IPv42,048VN
1.55.128.0/19IPv48,192VN
1.55.160.0/21IPv42,048VN
1.55.168.0/22IPv41,024VN
1.55.172.0/23IPv4512VN
1.55.174.0/24IPv4256VN
1.55.175.0/24IPv4256VN
1.55.176.0/20IPv44,096VN
1.55.192.0/19IPv48,192VN
1.55.224.0/20IPv44,096VN
1.55.240.0/21IPv42,048VN
1.55.248.0/22IPv41,024VN
1.55.252.0/24IPv4256VN
1.55.253.0/24IPv4256VN
1.55.254.0/23IPv4512VN
23.32.74.0/24IPv4256VN
23.173.8.0/23IPv4512VN
23.193.188.0/22IPv41,024VN
23.196.68.0/22IPv41,024VN
23.202.89.0/24IPv4256VN
23.208.160.0/22IPv41,024VN
42.112.0.0/23IPv4512VN
42.112.2.0/23IPv4512VN
42.112.4.0/22IPv41,024VN
42.112.8.0/21IPv42,048VN
42.112.16.0/24IPv4256VN
42.112.17.0/24IPv4256VN
42.112.18.0/23IPv4512VN
42.112.20.0/24IPv4256VN
42.112.21.0/24IPv4256VN
42.112.22.0/23IPv4512VN
42.112.24.0/22IPv41,024VN
42.112.28.0/24IPv4256VN
42.112.29.0/24IPv4256VN
42.112.30.0/23IPv4512VN
42.112.32.0/22IPv41,024VN
42.112.36.0/24IPv4256VN
42.112.37.0/24IPv4256VN
42.112.38.0/23IPv4512VN
42.112.40.0/23IPv4512VN
42.112.42.0/24IPv4256VN
42.112.43.0/24IPv4256VN
42.112.44.0/22IPv41,024VN
42.112.48.0/21IPv42,048VN
42.112.56.0/22IPv41,024VN
42.112.60.0/24IPv4256VN
42.112.61.0/24IPv4256VN
42.112.62.0/23IPv4512VN
42.112.64.0/19IPv48,192VN
42.112.96.0/20IPv44,096VN
42.112.112.0/22IPv41,024VN
42.112.116.0/24IPv4256VN
42.112.117.0/24IPv4256VN
42.112.118.0/23IPv4512VN
42.112.120.0/21IPv42,048VN
42.112.128.0/20IPv44,096VN
42.112.144.0/22IPv41,024VN
42.112.148.0/24IPv4256VN
42.112.149.0/24IPv4256VN
42.112.150.0/23IPv4512VN
42.112.152.0/21IPv42,048VN
42.112.160.0/21IPv42,048VN
42.112.168.0/23IPv4512VN
42.112.170.0/23IPv4512VN
42.112.172.0/22IPv41,024VN
42.112.176.0/20IPv44,096VN
42.112.192.0/19IPv48,192VN
42.112.224.0/21IPv42,048VN
42.112.232.0/22IPv41,024VN
42.112.236.0/23IPv4512VN
42.112.238.0/23IPv4512VN
42.112.240.0/20IPv44,096VN
42.113.0.0/20IPv44,096VN
42.113.16.0/24IPv4256VN
42.113.17.0/24IPv4256VN
42.113.18.0/23IPv4512VN
42.113.20.0/22IPv41,024VN
42.113.24.0/23IPv4512VN
42.113.26.0/23IPv4512VN
42.113.28.0/22IPv41,024VN
42.113.32.0/22IPv41,024VN
42.113.36.0/23IPv4512VN
42.113.38.0/24IPv4256VN
42.113.39.0/24IPv4256VN
42.113.40.0/21IPv42,048VN
42.113.48.0/20IPv44,096VN
42.113.64.0/24IPv4256VN
42.113.65.0/24IPv4256VN
42.113.66.0/23IPv4512VN
42.113.68.0/22IPv41,024VN
42.113.72.0/21IPv42,048VN
42.113.80.0/23IPv4512VN
42.113.82.0/24IPv4256VN
42.113.83.0/24IPv4256VN
42.113.84.0/22IPv41,024VN
42.113.88.0/21IPv42,048VN
42.113.96.0/24IPv4256VN
42.113.97.0/24IPv4256VN
42.113.98.0/23IPv4512VN
42.113.100.0/23IPv4512VN
42.113.102.0/24IPv4256VN
42.113.103.0/24IPv4256VN
42.113.104.0/21IPv42,048VN
42.113.112.0/24IPv4256VN
42.113.113.0/24IPv4256VN
42.113.114.0/23IPv4512VN
42.113.116.0/22IPv41,024VN
42.113.120.0/21IPv42,048VN
42.113.128.0/21IPv42,048VN
42.113.136.0/23IPv4512VN
42.113.138.0/23IPv4512VN
42.113.140.0/22IPv41,024VN
42.113.144.0/20IPv44,096VN
42.113.160.0/20IPv44,096VN
42.113.176.0/21IPv42,048VN
42.113.184.0/22IPv41,024VN
42.113.188.0/23IPv4512VN
42.113.190.0/23IPv4512VN
42.113.192.0/20IPv44,096VN
42.113.208.0/22IPv41,024VN
42.113.212.0/23IPv4512VN
42.113.214.0/23IPv4512VN
42.113.216.0/21IPv42,048VN
42.113.224.0/20IPv44,096VN
42.113.240.0/24IPv4256VN
42.113.241.0/24IPv4256VN
42.113.242.0/23IPv4512VN
42.113.244.0/22IPv41,024VN
42.113.248.0/21IPv42,048VN
42.114.0.0/21IPv42,048VN
42.114.8.0/21IPv42,048VN
42.114.16.0/20IPv44,096VN
42.114.32.0/20IPv44,096VN
42.114.48.0/22IPv41,024VN
42.114.52.0/22IPv41,024VN
42.114.56.0/21IPv42,048VN
42.114.64.0/21IPv42,048VN
42.114.72.0/23IPv4512VN
42.114.74.0/23IPv4512VN
42.114.76.0/22IPv41,024VN
42.114.80.0/20IPv44,096VN
42.114.96.0/20IPv44,096VN
42.114.112.0/23IPv4512VN
42.114.114.0/24IPv4256VN
42.114.115.0/24IPv4256VN
42.114.116.0/22IPv41,024VN
42.114.120.0/21IPv42,048VN
42.114.128.0/21IPv42,048VN
42.114.136.0/22IPv41,024VN
42.114.140.0/23IPv4512VN
42.114.142.0/24IPv4256VN
42.114.143.0/24IPv4256VN
42.114.144.0/20IPv44,096VN
42.114.160.0/19IPv48,192VN
42.114.192.0/20IPv44,096VN
42.114.208.0/21IPv42,048VN
42.114.216.0/22IPv41,024VN
42.114.220.0/23IPv4512VN
42.114.222.0/24IPv4256VN
42.114.223.0/24IPv4256VN
42.114.224.0/22IPv41,024VN
42.114.228.0/23IPv4512VN
42.114.230.0/23IPv4512VN
42.114.232.0/21IPv42,048VN
42.114.240.0/23IPv4512VN
42.114.242.0/23IPv4512VN
42.114.244.0/23IPv4512VN
42.114.246.0/24IPv4256VN
42.114.247.0/24IPv4256VN
42.114.248.0/23IPv4512VN
42.114.250.0/24IPv4256VN
42.114.251.0/24IPv4256VN
42.114.252.0/22IPv41,024VN
42.115.0.0/20IPv44,096VN
42.115.16.0/22IPv41,024VN
42.115.20.0/23IPv4512VN
42.115.22.0/23IPv4512VN
42.115.24.0/22IPv41,024VN
42.115.28.0/24IPv4256VN
42.115.29.0/24IPv4256VN
42.115.30.0/23IPv4512VN
42.115.32.0/21IPv42,048VN
42.115.40.0/22IPv41,024VN
42.115.44.0/24IPv4256VN
42.115.45.0/24IPv4256VN
42.115.46.0/23IPv4512VN
42.115.48.0/23IPv4512VN
42.115.50.0/24IPv4256VN
42.115.51.0/24IPv4256VN
42.115.52.0/23IPv4512VN
42.115.54.0/24IPv4256VN
42.115.55.0/24IPv4256VN
42.115.56.0/21IPv42,048VN
42.115.64.0/21IPv42,048VN
42.115.72.0/22IPv41,024VN
42.115.76.0/24IPv4256VN
42.115.77.0/24IPv4256VN
42.115.78.0/23IPv4512VN
42.115.80.0/22IPv41,024VN
42.115.84.0/24IPv4256VN
42.115.85.0/24IPv4256VN
42.115.86.0/23IPv4512VN
42.115.88.0/21IPv42,048VN
42.115.96.0/22IPv41,024VN
42.115.100.0/23IPv4512VN
42.115.102.0/23IPv4512VN
42.115.104.0/21IPv42,048VN
42.115.112.0/20IPv44,096VN
42.115.128.0/24IPv4256VN
42.115.129.0/24IPv4256VN
42.115.130.0/23IPv4512VN
42.115.132.0/22IPv41,024VN
42.115.136.0/21IPv42,048VN
42.115.144.0/24IPv4256VN
42.115.145.0/24IPv4256VN
42.115.146.0/23IPv4512VN
42.115.148.0/22IPv41,024VN
42.115.152.0/22IPv41,024VN
42.115.156.0/22IPv41,024VN
42.115.160.0/22IPv41,024VN
42.115.164.0/23IPv4512VN
42.115.166.0/23IPv4512VN
42.115.168.0/21IPv42,048VN
42.115.176.0/21IPv42,048VN
42.115.184.0/22IPv41,024VN
42.115.188.0/23IPv4512VN
42.115.190.0/24IPv4256VN
42.115.191.0/24IPv4256VN
42.115.192.0/21IPv42,048VN
42.115.200.0/22IPv41,024VN
42.115.204.0/23IPv4512VN
42.115.206.0/23IPv4512VN
42.115.208.0/22IPv41,024VN
42.115.212.0/23IPv4512VN
42.115.214.0/23IPv4512VN
42.115.216.0/21IPv42,048VN
42.115.224.0/20IPv44,096VN
42.115.240.0/21IPv42,048VN
42.115.248.0/22IPv41,024VN
42.115.252.0/23IPv4512VN
42.115.254.0/23IPv4512VN
42.116.0.0/19IPv48,192VN
42.116.32.0/20IPv44,096VN
42.116.48.0/23IPv4512VN
42.116.50.0/23IPv4512VN
42.116.52.0/22IPv41,024VN
42.116.56.0/21IPv42,048VN
42.116.64.0/18IPv416,384VN
42.116.128.0/20IPv44,096VN
42.116.144.0/22IPv41,024VN
42.116.148.0/23IPv4512VN
42.116.150.0/23IPv4512VN
42.116.152.0/21IPv42,048VN
42.116.160.0/19IPv48,192VN
42.116.192.0/21IPv42,048VN
42.116.200.0/21IPv42,048VN
42.116.208.0/22IPv41,024VN
42.116.212.0/23IPv4512VN
42.116.214.0/24IPv4256VN
42.116.215.0/24IPv4256VN
42.116.216.0/22IPv41,024VN
42.116.220.0/23IPv4512VN
42.116.222.0/23IPv4512VN
42.116.224.0/20IPv44,096VN
42.116.240.0/21IPv42,048VN
42.116.248.0/22IPv41,024VN
42.116.252.0/24IPv4256VN
42.116.253.0/24IPv4256VN
42.116.254.0/23IPv4512VN
42.117.0.0/24IPv4256VN
42.117.1.0/24IPv4256VN
42.117.2.0/23IPv4512VN
42.117.4.0/22IPv41,024VN
42.117.8.0/24IPv4256VN
42.117.9.0/24IPv4256VN
42.117.10.0/24IPv4256VN
42.117.11.0/24IPv4256VN
42.117.12.0/22IPv41,024VN
42.117.16.0/22IPv41,024VN
42.117.20.0/23IPv4512VN
42.117.22.0/24IPv4256VN
42.117.23.0/24IPv4256VN
42.117.24.0/21IPv42,048VN
42.117.32.0/19IPv48,192VN
42.117.64.0/22IPv41,024VN
42.117.68.0/23IPv4512VN
42.117.70.0/24IPv4256VN
42.117.71.0/24IPv4256VN
42.117.72.0/21IPv42,048VN
42.117.80.0/23IPv4512VN
42.117.82.0/24IPv4256VN
42.117.83.0/24IPv4256VN
42.117.84.0/22IPv41,024VN
42.117.88.0/21IPv42,048VN
42.117.96.0/19IPv48,192VN
42.117.128.0/19IPv48,192VN
42.117.160.0/22IPv41,024VN
42.117.164.0/23IPv4512VN
42.117.166.0/23IPv4512VN
42.117.168.0/21IPv42,048VN
42.117.176.0/22IPv41,024VN
42.117.180.0/23IPv4512VN
42.117.182.0/23IPv4512VN
42.117.184.0/21IPv42,048VN
42.117.192.0/24IPv4256VN
42.117.193.0/24IPv4256VN
42.117.194.0/23IPv4512VN
42.117.196.0/24IPv4256VN
42.117.197.0/24IPv4256VN

Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.