ResearchRouting table, looking glass, RPKI & IRR

208.56.2.0/24 Microsoft Corporation

Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 208.56.2.0/24

Prefix
208.56.2.0/24
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 8 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 208.56.2.0/24 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 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated4d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities903:900 903:13760
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communitiesnone
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 22h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS8075 to originate 208.56.2.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
208.56.2.0/24/24AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARIN
208.56.0.0/18/24AS13916 PROOFPOINT-UT7ARIN
208.56.0.0/18/24AS14618 AMAZON-AESARIN
208.56.0.0/18/24AS16509 AMAZON-02ARIN
208.56.0.0/18/24AS26211 PROOFPOINT-ASN-US-WESTARIN
208.56.0.0/18/24AS43181 NsofNetworksLTDARIN
208.56.0.0/18/24AS52129 PROOFPOINT-ASN-EUARIN
208.56.0.0/18/24AS64269 NSOFNETWORKSINCARIN
208.56.0.0/18/24AS136473 METANETWORKSLTD-AS-APARIN
208.56.0.0/18/24AS396982 GOOGLE-CLOUD-PLATFORMARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
208.56.2.0/24AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARINProofpoint BYOIP for AzureMNT-NN-102
208.56.2.0/24AS43181 NsofNetworksLTDARINMeta Networks' Anycast/Unicast NetworkMNT-NN-102
208.56.2.0/24AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMicrosoft ByoIpMAINT-AS8075
208.56.2.0/24AS43181 NsofNetworksLTDRADBProxy Registration / Customer RouteMAINT-AS36236
208.56.0.0/18 coveringAS13916 PROOFPOINT-UT7ARINMeta Networks IncMNT-NN-102
208.56.0.0/18 coveringAS22843 PROOFPOINT-ASN-US-EASTARINMeta Networks IncMNT-NN-102
208.56.0.0/18 coveringAS26211 PROOFPOINT-ASN-US-WESTARINMeta Networks IncMNT-NN-102
208.56.0.0/18 coveringAS43181 NsofNetworksLTDARINMeta Networks' Anycast/Unicast NetworkMNT-NN-102
208.56.0.0/18 coveringAS52129 PROOFPOINT-ASN-EUARINMeta Networks IncMNT-NN-102
208.56.0.0/16 coveringAS11022 ALABANZA-BALTLEVEL3Proxy-registered route objectLEVEL3-MNT
208.56.0.0/16 coveringAS33321 ZAYO-33321LEVEL3BalticoreLITECAST-MNT
208.56.0.0/16 coveringAS14135 NAVISITE-EAST-2RADBNaviSite-ANMA1-AlabanzaMAINT-AS4544
Tools

Check 208.56.2.0/24 live

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