208.56.0.0/24 Proofpoint, Inc.
Announced by AS52129 Proofpoint, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 208.56.0.0/24
Prefix
Origin
AS52129 PROOFPOINT-ASN-EU
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 8 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 208.56.0.0/24 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 174 64049 55836 9583 52129
| Origin | AS52129 Proofpoint, Inc. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 9h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 64049 55836 9583 52129
| Origin | AS52129 Proofpoint, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 17h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6453 4755 9583 52129
| Origin | AS52129 Proofpoint, Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 17h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS52129 to originate 208.56.0.0/18 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 208.56.0.0/18 | /24 | AS13916 PROOFPOINT-UT7 | ARIN |
| 208.56.0.0/18 | /24 | AS14618 AMAZON-AES | ARIN |
| 208.56.0.0/18 | /24 | AS16509 AMAZON-02 | ARIN |
| 208.56.0.0/18 | /24 | AS26211 PROOFPOINT-ASN-US-WEST | ARIN |
| 208.56.0.0/18 | /24 | AS43181 NsofNetworksLTD | ARIN |
| 208.56.0.0/18 | /24 | AS52129 PROOFPOINT-ASN-EU | ARIN |
| 208.56.0.0/18 | /24 | AS64269 NSOFNETWORKSINC | ARIN |
| 208.56.0.0/18 | /24 | AS136473 METANETWORKSLTD-AS-AP | ARIN |
| 208.56.0.0/18 | /24 | AS396982 GOOGLE-CLOUD-PLATFORM | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 208.56.0.0/24 | AS43181 NsofNetworksLTD | ARIN | Meta Networks' Anycast/Unicast Network | MNT-NN-102 |
| 208.56.0.0/24 | AS52129 PROOFPOINT-ASN-EU | ARIN | Proofpoint Mumbai | MNT-NN-102 |
| 208.56.0.0/24 | AS43181 NsofNetworksLTD | RADB | Proxy Registration / Customer Route | MAINT-AS36236 |
| 208.56.0.0/18 covering | AS13916 PROOFPOINT-UT7 | ARIN | Meta Networks Inc | MNT-NN-102 |
| 208.56.0.0/18 covering | AS22843 PROOFPOINT-ASN-US-EAST | ARIN | Meta Networks Inc | MNT-NN-102 |
| 208.56.0.0/18 covering | AS26211 PROOFPOINT-ASN-US-WEST | ARIN | Meta Networks Inc | MNT-NN-102 |
| 208.56.0.0/18 covering | AS43181 NsofNetworksLTD | ARIN | Meta Networks' Anycast/Unicast Network | MNT-NN-102 |
| 208.56.0.0/18 covering | AS52129 PROOFPOINT-ASN-EU | ARIN | Meta Networks Inc | MNT-NN-102 |
| 208.56.0.0/16 covering | AS11022 ALABANZA-BALT | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 208.56.0.0/16 covering | AS33321 ZAYO-33321 | LEVEL3 | Balticore | LITECAST-MNT |
| 208.56.0.0/16 covering | AS14135 NAVISITE-EAST-2 | RADB | NaviSite-ANMA1-Alabanza | MAINT-AS4544 |