ResearchRouting table, looking glass, RPKI & IRR

122.147.0.0/16 New Century InfoComm Tech Co., Ltd.

Announced by AS9919 New Century InfoComm Tech Co., Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 122.147.0.0/16

Prefix
122.147.0.0/16
Origin
AS9919 NCIC-TW
RPKI
RPKI valid
Size
65,536 addresses
Less specific
122.146.0.0/15 AS9919 NCIC-TW
More specifics
150
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 04:03 UTC
Paths

How 122.147.0.0/16 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 3491 4780 9919
OriginAS9919 New Century InfoComm Tech Co., Ltd.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 4h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9002 4780 9919
OriginAS9919 New Century InfoComm Tech Co., Ltd.
Origin codeIGP
Communities903:900 903:13760
Updated1d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4780 9919
OriginAS9919 New Century InfoComm Tech Co., Ltd.
Origin codeIGP
Communities36295:100
Updated5d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4780 9919
OriginAS9919 New Century InfoComm Tech Co., Ltd.
Origin codeIGP
Communitiesnone
Updated5d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3491 4780 9919
OriginAS9919 New Century InfoComm Tech Co., Ltd.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 6h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS9919 to originate 122.147.0.0/16 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
122.147.0.0/16/24AS9919 NCIC-TWAPNIC
122.146.0.0/15/24AS4780 SEEDNETAPNIC
122.146.0.0/15/24AS9919 NCIC-TWAPNIC
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
122.147.0.0/16AS4780 SEEDNETRADBNew Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
122.147.0.0/16AS9919 NCIC-TWRADBNew Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC)MAINT-AS9919
122.146.0.0/15 coveringAS4780 SEEDNETRADBNew Century InfoComm Tech Co., Ltd. Far Eastone Telecommunications Co., Ltd. No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
122.146.0.0/15 coveringAS9919 NCIC-TWRADBProxy-registered route objectMAINT-AS3491
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

122.146.0.0/15 AS9919 NCIC-TW
More specific

Prefixes inside 122.147.0.0/16

150 announced prefixes fall inside this one.

Show the 150 prefixes
122.147.0.0/17 AS9919 NCIC-TW122.147.0.0/18 AS9919 NCIC-TW122.147.0.0/19 AS9919 NCIC-TW122.147.0.0/24 AS9919 NCIC-TW122.147.2.0/24 AS9919 NCIC-TW122.147.6.0/24 AS9919 NCIC-TW122.147.7.0/24 AS9919 NCIC-TW122.147.9.0/24 AS9919 NCIC-TW122.147.13.0/24 AS9919 NCIC-TW122.147.16.0/21 AS131602 HYA122.147.16.0/24 AS131602 HYA122.147.17.0/24 AS131602 HYA122.147.18.0/24 AS131602 HYA122.147.19.0/24 AS131602 HYA122.147.20.0/24 AS131602 HYA122.147.21.0/24 AS131602 HYA122.147.22.0/24 AS131602 HYA122.147.23.0/24 AS131602 HYA122.147.24.0/22 AS9922 NKB-AS-TW122.147.27.0/24 AS9922 NKB-AS-TW122.147.28.0/22 AS9922 NKB-AS-TW122.147.32.0/19 AS9919 NCIC-TW122.147.32.0/24 AS9919 NCIC-TW122.147.39.0/24 AS9919 NCIC-TW122.147.42.0/24 AS9919 NCIC-TW122.147.46.0/24 AS9919 NCIC-TW122.147.47.0/24 AS9919 NCIC-TW122.147.48.0/24 AS9919 NCIC-TW122.147.49.0/24 AS9919 NCIC-TW122.147.50.0/24 AS9919 NCIC-TW122.147.51.0/24 AS9919 NCIC-TW122.147.52.0/24 AS9919 NCIC-TW122.147.53.0/24 AS9919 NCIC-TW122.147.54.0/24 AS9919 NCIC-TW122.147.55.0/24 AS9919 NCIC-TW122.147.57.0/24 AS9919 NCIC-TW122.147.58.0/24 AS9919 NCIC-TW122.147.59.0/24 AS9919 NCIC-TW122.147.60.0/24 AS9919 NCIC-TW122.147.61.0/24 AS9919 NCIC-TW122.147.62.0/24 AS9919 NCIC-TW122.147.64.0/18 AS9919 NCIC-TW122.147.64.0/19 AS9919 NCIC-TW122.147.65.0/24 AS9919 NCIC-TW122.147.67.0/24 AS9919 NCIC-TW122.147.68.0/24 AS9919 NCIC-TW122.147.69.0/24 AS9919 NCIC-TW122.147.72.0/24 AS9919 NCIC-TW122.147.75.0/24 AS9919 NCIC-TW122.147.96.0/19 AS9919 NCIC-TW122.147.96.0/24 AS4780 SEEDNET122.147.97.0/24 AS4780 SEEDNET122.147.98.0/24 AS4780 SEEDNET122.147.99.0/24 AS4780 SEEDNET122.147.100.0/24 AS4780 SEEDNET122.147.101.0/24 AS4780 SEEDNET122.147.102.0/24 AS4780 SEEDNET122.147.103.0/24 AS4780 SEEDNET122.147.104.0/24 AS9919 NCIC-TW122.147.105.0/24 AS9919 NCIC-TW122.147.106.0/24 AS9919 NCIC-TW122.147.107.0/24 AS9919 NCIC-TW122.147.108.0/24 AS9919 NCIC-TW122.147.109.0/24 AS9919 NCIC-TW122.147.110.0/24 AS9919 NCIC-TW122.147.111.0/24 AS9919 NCIC-TW122.147.128.0/17 AS9919 NCIC-TW122.147.128.0/18 AS9919 NCIC-TW122.147.128.0/19 AS9919 NCIC-TW122.147.128.0/24 AS9919 NCIC-TW122.147.129.0/24 AS9919 NCIC-TW122.147.130.0/24 AS9919 NCIC-TW122.147.131.0/24 AS9919 NCIC-TW122.147.132.0/24 AS9919 NCIC-TW122.147.133.0/24 AS9919 NCIC-TW122.147.134.0/24 AS9919 NCIC-TW122.147.136.0/24 AS9919 NCIC-TW122.147.137.0/24 AS9919 NCIC-TW122.147.138.0/24 AS9919 NCIC-TW122.147.140.0/24 AS9919 NCIC-TW122.147.141.0/24 AS9919 NCIC-TW122.147.144.0/24 AS9919 NCIC-TW122.147.147.0/24 AS9919 NCIC-TW122.147.149.0/24 AS9919 NCIC-TW122.147.159.0/24 AS9919 NCIC-TW122.147.160.0/19 AS9919 NCIC-TW122.147.160.0/22 AS38851 TNET-NET122.147.160.0/23 AS38851 TNET-NET122.147.164.0/23 AS38851 TNET-NET122.147.166.0/24 AS9919 NCIC-TW122.147.168.0/24 AS4780 SEEDNET122.147.169.0/24 AS9919 NCIC-TW122.147.170.0/24 AS9919 NCIC-TW122.147.171.0/24 AS9919 NCIC-TW122.147.173.0/24 AS9919 NCIC-TW122.147.174.0/24 AS9919 NCIC-TW122.147.176.0/24 AS9919 NCIC-TW122.147.177.0/24 AS9919 NCIC-TW122.147.178.0/24 AS9919 NCIC-TW122.147.179.0/24 AS9919 NCIC-TW122.147.180.0/24 AS9919 NCIC-TW122.147.181.0/24 AS9919 NCIC-TW122.147.182.0/24 AS9919 NCIC-TW122.147.183.0/24 AS9919 NCIC-TW122.147.184.0/24 AS9919 NCIC-TW122.147.185.0/24 AS9919 NCIC-TW122.147.186.0/24 AS9919 NCIC-TW122.147.187.0/24 AS9919 NCIC-TW122.147.188.0/24 AS9919 NCIC-TW122.147.189.0/24 AS9919 NCIC-TW122.147.190.0/24 AS9919 NCIC-TW122.147.191.0/24 AS9919 NCIC-TW122.147.192.0/18 AS9919 NCIC-TW122.147.192.0/19 AS9919 NCIC-TW122.147.192.0/24 AS9919 NCIC-TW122.147.193.0/24 AS9919 NCIC-TW122.147.194.0/24 AS9919 NCIC-TW122.147.195.0/24 AS9919 NCIC-TW122.147.199.0/24 AS9919 NCIC-TW122.147.200.0/24 AS9919 NCIC-TW122.147.201.0/24 AS9919 NCIC-TW122.147.202.0/24 AS9919 NCIC-TW122.147.203.0/24 AS9919 NCIC-TW122.147.204.0/24 AS9919 NCIC-TW122.147.205.0/24 AS9919 NCIC-TW122.147.206.0/24 AS4780 SEEDNET122.147.208.0/24 AS4780 SEEDNET122.147.209.0/24 AS4780 SEEDNET122.147.210.0/24 AS4780 SEEDNET122.147.212.0/24 AS9919 NCIC-TW122.147.213.0/24 AS9919 NCIC-TW122.147.214.0/24 AS9919 NCIC-TW122.147.215.0/24 AS9919 NCIC-TW122.147.216.0/24 AS4780 SEEDNET122.147.218.0/24 AS9919 NCIC-TW122.147.219.0/24 AS9919 NCIC-TW122.147.222.0/24 AS9919 NCIC-TW122.147.223.0/24 AS9919 NCIC-TW122.147.224.0/19 AS9919 NCIC-TW122.147.224.0/24 AS9919 NCIC-TW122.147.227.0/24 AS9919 NCIC-TW122.147.229.0/24 AS9919 NCIC-TW122.147.238.0/24 AS9919 NCIC-TW122.147.239.0/24 AS9919 NCIC-TW122.147.241.0/24 AS9919 NCIC-TW122.147.245.0/24 AS9919 NCIC-TW122.147.246.0/24 AS9919 NCIC-TW122.147.250.0/24 AS9919 NCIC-TW122.147.252.0/24 AS9919 NCIC-TW122.147.254.0/24 AS9919 NCIC-TW
Tools

Check 122.147.0.0/16 live

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