Data as of Nov 6, 2026
151.101.0.0/16
1 residential-proxy exit · 30 daysFastly, Inc.
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
12 observations
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 151.101.0.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.4.0/22 since Feb 2026 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.8.0/22 since Jan 2022 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.12.0/22 since Nov 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.16.0/22 since Dec 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.20.0/22 since Nov 2021 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.28.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.32.0/22 since Sep 2026 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.40.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.44.0/22 since Dec 2022 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.48.0/22 since Dec 2022 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.52.0/22 since Aug 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.60.0/22 since Jun 2025 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.64.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.72.0/22 since Nov 2024 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.80.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.84.0/22 since Dec 2025 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.88.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.92.0/22 since Nov 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.104.0/22 since Jan 2026 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.112.0/22 since Oct 2024 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.120.0/22 since Jul 2024 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.128.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.132.0/22 since Jan 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.136.0/22 since Dec 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.140.0/22 since Feb 2022 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.144.0/22 since Dec 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.148.0/22 since Nov 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.152.0/22 since Jan 2026 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.156.0/22 since Mar 2018 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.160.0/22 since Jul 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.164.0/22 since Mar 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.176.0/22 since Jul 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.180.0/22 since Jul 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.184.0/22 since Feb 2026 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.188.0/22 since May 2024 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.192.0/22 since Mar 2016 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.196.0/22 since Sep 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.200.0/22 since Apr 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.204.0/22 since Jan 2025 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.208.0/22 since Jun 2025 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.216.0/22 since Apr 2018 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.220.0/22 since Feb 2018 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.224.0/22 since Nov 2017 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.228.0/22 since Aug 2025 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.232.0/22 since Jun 2018 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.236.0/22 since Apr 2019 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.240.0/22 since Feb 2019 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.244.0/22 since Jul 2018 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.248.0/22 since May 2023 | AS54113 | Hosting | Fastly, Inc. | |
| 151.101.252.0/22 since Jan 2026 | AS54113 | Hosting | Fastly, Inc. |
Network & registry
Origin network
AS54113
US
- Name
- Fastly, Inc.
- Type
- Hosting
- Registered
- Oct 4, 2011
- Domain
- fastly.com
- Website
- www.fastly.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 146
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Feb 2016 · 11 yr
- Origin networks
- 4
- Last change of origin
- Feb 2016
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.101.0.0/16 | AS54113 | /16 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 151.101.24.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.36.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.56.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.68.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.76.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.96.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.100.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.108.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.116.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.124.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.168.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.172.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
| 151.101.212.0/22 | AS54113 | RADB | Fastly | MAINT-AS54113 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 151.
101. 0. 0/ 16 - Netname
- SKYCA-3
- Registrant
- Fastly, Inc.
- Organization
- Fastly, Inc. (SKYCA-3)
- Org address
- PO Box 78266, San Francisco, CA, 94107
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-151-101-0-0-1
- Parent
- NET-151-0-0-0-0
- Created
- Feb 1, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 1, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse@
fastly. com - Name
- Abuse Account
- Phone
- +1-415-496-9353
- Handle
- ABUSE4771-ARIN