ResearchRouting table, looking glass, RPKI & IRR

203.157.48.0/21 Information Technology Office

Announced by AS9649 Information Technology Office. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.157.48.0/21

Prefix
203.157.48.0/21
Origin
AS9649 MOPH-TH-AP
RPKI
RPKI not found
Size
2,048 addresses
Less specific
203.157.0.0/16 AS9649 MOPH-TH-AP
More specifics
0
IRR route objects
6 exact, 22 covering
In RouteViews
2026-10-14 20:02 UTC
Paths

How 203.157.48.0/21 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 13760 6939 132876 132280 9649×5
OriginAS9649 Information Technology Office
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated17h 2m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 132876 132280 9649×5
OriginAS9649 Information Technology Office
Origin codeIGP
Communities903:900 903:13760
Updated7d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 132876 132280 9649×5
OriginAS9649 Information Technology Office
Origin codeIGP
Communities36295:100
Updated7d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 132876 132280 9649×5
OriginAS9649 Information Technology Office
Origin codeIGP
Communitiesnone
Updated7d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 23764 132876×2 132280 9649×5
OriginAS9649 Information Technology Office
Origin codeIGP
Communities174:21101 174:22005 36295:100 36295:174
Updated10d 20h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.157.48.0/21AS9304 HUTCHISON-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.48.0/21AS9649 MOPH-TH-APNTTCOMProxy-registered route objectMAINT-AS9304
203.157.48.0/21AS38082 IIT-TIG-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.48.0/21AS9304 HUTCHISON-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.48.0/21AS38082 IIT-TIG-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.48.0/21AS4628 PACIFICINTERNET-AS-APREACHREACH (Customer Route)MAINT-REACH-NOC
203.157.48.0/20 coveringAS9649 MOPH-TH-APNTTCOMProxy-registered route objectMAINT-AS9304
203.157.48.0/20 coveringAS38082 IIT-TIG-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.48.0/20 coveringAS9649 MOPH-TH-APRADBProxy-registered route objectMAINT-AS9304
203.157.48.0/20 coveringAS38082 IIT-TIG-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.32.0/19 coveringAS9649 MOPH-TH-APNTTCOMProxy-registered route objectMAINT-AS9304
203.157.32.0/19 coveringAS38082 IIT-TIG-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.32.0/19 coveringAS9649 MOPH-TH-APRADBCAT route object for Samart (MOPH)MAINT-THIX-CAT-TH
203.157.32.0/19 coveringAS38082 IIT-TIG-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.0.0/18 coveringAS4618 INET-TH-ASNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.0.0/18 coveringAS9649 MOPH-TH-APNTTCOMProxy-registered route objectMAINT-AS9304
203.157.0.0/18 coveringAS38082 IIT-TIG-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.0.0/18 coveringAS4618 INET-TH-ASRADBCMI (Customer Route)MAINT-AS58453
203.157.0.0/18 coveringAS9649 MOPH-TH-APRADBCAT route object for DTACNETWORK-TH-APMAINT-THIX-CAT-TH
203.157.0.0/18 coveringAS38040 GLOBAL-TRANSIT-TOT-IIG-THRADBAS 38040MAINT-AS9318
203.157.0.0/18 coveringAS38082 IIT-TIG-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.0.0/18 coveringAS4628 PACIFICINTERNET-AS-APREACHREACH (Customer Route)MAINT-REACH-NOC
203.157.0.0/18 coveringAS4750 CSLOXINFO-AS-APREACHREACH (Customer Route)MAINT-REACH-NOC
203.157.0.0/16 coveringAS9304 HUTCHISON-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.0.0/16 coveringAS38082 IIT-TIG-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
203.157.0.0/16 coveringAS9304 HUTCHISON-AS-APRADBCMI (Customer Route)MAINT-AS58453
203.157.0.0/16 coveringAS9649 MOPH-TH-APRADBCAT route object for WorldNet (MPH)MAINT-THIX-CAT-TH
203.157.0.0/16 coveringAS38082 IIT-TIG-AS-APRADBCMI (Customer Route)MAINT-AS58453
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

203.157.0.0/16 AS9649 MOPH-TH-AP
Tools

Check 203.157.48.0/21 live

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