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AS9505 Taiwan Internet Gateway

TWGATE-AP - Taiwan Internet Gateway · registered in Taiwan

IPv4 addresses22,27225 prefixes · <0.001% of announced IPv4
Rank in Taiwan#55largest network in TW by IPv4 space, of 237 · 0.07% of TW
Rank worldwide#5,785of 79,396 networks with IPv4
IPv61 x /32 (131,070 x /48)31 prefixes
CountryTaiwan288 ASNs registered there
Open AS9505 in ASN lookup Look up an IP in this network (66.171.112.1) All networks in Taiwan

IPv4 prefixes

All 25 prefixes, in address order.

  • 66.171.112.0/23
  • 66.171.116.0/23
  • 175.41.48.0/21
  • 175.41.56.0/23
  • 175.41.58.0/24
  • 175.41.59.0/24
  • 175.41.60.0/22
  • 175.111.224.0/20
  • 175.111.240.0/21
  • 203.78.176.0/22
  • 203.78.180.0/23
  • 203.78.182.0/24
  • 203.78.183.0/24
  • 203.78.184.0/21
  • 203.160.224.0/21
  • 203.160.232.0/23
  • 203.160.234.0/23
  • 203.160.236.0/22
  • 208.70.200.0/24
  • 208.70.202.0/23
  • 208.70.206.0/23
  • 220.128.48.0/23
  • 220.128.50.0/24
  • 220.128.52.0/23
  • 220.128.54.0/24

IPv6 prefixes

All 31 prefixes.

  • 2001:b200::/38
  • 2001:b200:400::/39
  • 2001:b200:600::/40
  • 2001:b200:700::/40
  • 2001:b200:800::/37
  • 2001:b200:1000::/36
  • 2001:b200:2000::/39
  • 2001:b200:2200::/40
  • 2001:b200:2300::/40
  • 2001:b200:2400::/38
  • 2001:b200:2800::/37
  • 2001:b200:3000::/36
  • 2001:b200:4000::/34
  • 2001:b200:8000::/33
  • 2606:c00::/43
  • 2606:c00:20::/44
  • 2606:c00:30::/47
  • 2606:c00:33::/48
  • 2606:c00:34::/48
  • 2606:c00:36::/47
  • 2606:c00:38::/45
  • 2606:c00:40::/42
  • 2606:c00:80::/41
  • 2606:c00:100::/40
  • 2606:c00:200::/39
  • 2606:c00:400::/38
  • 2606:c00:800::/37
  • 2606:c00:1000::/36
  • 2606:c00:2000::/35
  • 2606:c00:4000::/34
  • 2606:c00:8000::/33

Other ASNs named Taiwan Internet Gateway

1 other network uses the same organisation name; together with AS9505 they announce 49,920 IPv4 addresses.

ASNNameIPv4 addresses
AS10126CHTI-IP-AP - Taiwan Internet Gateway TW27,648

Similar-sized networks in Taiwan

ASNNameIPv4 addresses
AS10126#52 CHTI-IP-AP - Taiwan Internet Gateway27,648
AS131611#53 GLOBALTRANSIT-AS-SDTV - San Da Cable TV Co., Ltd.24,320
AS7532#54 GAMANIA-AS-TW - Gamania CloudForce23,808
AS134823#56 SDCL-AS-AP - Sky Digital Co., Ltd.22,016
AS18412#57 FEG-MPLS - Far EastTone Telecommunication Co., Ltd.20,480
AS9311#58 HITRON-AS-AP - HITRON TECHNOLOGY INC.19,968

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources