4.0.0.0/8 - BGP Prefix
IPv4not announcedNo ROA
CIDR
4.0.0.0/8
IP Version
IPv4
Addresses
16.7M
Mask
/8 (255.0.0.0)
Country
πΊπΈ United States
City
Houston
Status
not announced
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns β
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
55 more-specific announcementsMore Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 4.0.0.0/9 | AS3356 | πΊπΈUS | allocated |
| 4.128.0.0/12 | πΊπΈUS | allocated | |
| 4.144.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.160.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.176.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.192.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.208.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.224.0.0/12 | AS8075 | πΊπΈUS | allocated |
| 4.240.0.0/12 | AS8075 | πΊπΈUS | allocated |
Transfer History
Registry transfers of 4.0.0.0/8, blocks inside it, or blocks containing it.
- 4.240.0.0/12Transfer Β·
- 4.224.0.0/12Transfer Β·
- 4.208.0.0/12Transfer Β·
- 4.192.0.0/12Transfer Β·
- 4.176.0.0/12Transfer Β·
- 4.160.0.0/12Transfer Β·
- 4.144.0.0/12Transfer Β·
- 4.128.0.0/12Transfer Β·
- 4.0.0.0/8M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 4.240.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.224.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.208.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.192.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.176.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.160.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.144.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.128.0.0/12 | Level 3 Parent, LLC | Microsoft Corporation | Transfer | |
| 4.0.0.0/8 | Level 3 Communications, Inc. | Level 3 Parent, LLC | M&A |
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/4.0.0.0/8Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/4.0.0.0/8" | jq
External Links