ResearchRouting table, looking glass, RPKI & IRR

101.138.0.0/20 Ambit Microsystem Corporation

Announced by AS131591 Ambit Microsystem Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 101.138.0.0/20

Prefix
101.138.0.0/20
Origin
AS131591 AMBIT-AS-TW
RPKI
RPKI valid
Size
4,096 addresses
Less specific
101.136.0.0/14 AS17709 APT
More specifics
0
IRR route objects
3 exact, 19 covering
In RouteViews
2026-10-13 12:02 UTC
Paths

How 101.138.0.0/20 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 17709 131591
OriginAS131591 Ambit Microsystem Corporation
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9002 4780 17709 131591
OriginAS131591 Ambit Microsystem Corporation
Origin codeIGP
Communities903:900 903:13760
Updated5d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4780 17709 131591
OriginAS131591 Ambit Microsystem Corporation
Origin codeIGP
Communities36295:100
Updated5d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4780 17709 131591
OriginAS131591 Ambit Microsystem Corporation
Origin codeIGP
Communitiesnone
Updated5d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3491 4780 17709 131591
OriginAS131591 Ambit Microsystem Corporation
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 12h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS131591 to originate 101.136.0.0/14 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
101.136.0.0/14/24AS9674 FET-TWAPNIC
101.136.0.0/14/24AS17709 APTAPNIC
101.136.0.0/14/24AS131591 AMBIT-AS-TWAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
101.138.0.0/20AS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/20AS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/20AS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
101.138.0.0/19 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/19 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/19 coveringAS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
101.138.0.0/18 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/18 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/18 coveringAS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
101.138.0.0/17 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/17 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/17 coveringAS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
101.138.0.0/16 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/16 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/16 coveringAS131591 AMBIT-AS-TWRADBAsia Pacific Telecom (GT4G)MAINT-AS17709
101.138.0.0/15 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.138.0.0/15 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.138.0.0/15 coveringAS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
101.136.0.0/14 coveringAS131591 AMBIT-AS-TWNTTCOMProxy-registered route objectMAINT-AS9304
101.136.0.0/14 coveringAS9674 FET-TWRADBFar Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 TaiwanMAINT-AS4780
101.136.0.0/14 coveringAS17709 APTRADBAsia Pacific Telecom EVDO serviceMAINT-AS17709
101.136.0.0/14 coveringAS131591 AMBIT-AS-TWRADBProxy-registered route objectMAINT-HGC-INTL
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

101.136.0.0/14 AS17709 APT
Tools

Check 101.138.0.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API