Data as of Nov 3, 2026
173.239.0.0/18
No anonymizer space · no proxy exits in 30 daysWebair Internet Development Company Inc.
Announcements
Nesting
More-specifics by size
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More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 173.239.0.0/19 since May 2015 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.2.0/24 since Apr 2015 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.5.0/24 since Apr 2015 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.8.0/24 since Mar 2017 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.12.0/24 since Apr 2015 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.19.0/24 since Feb 2026 | AS22297 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.20.0/24 since Feb 2026 | AS22297 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.21.0/24 since Aug 2020 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.22.0/24 since Jul 2026 | AS22297 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.24.0/24 since Jul 2026 | AS22297 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.32.0/24 since Feb 2019 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.43.0/24 since Apr 2015 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.53.0/24 since May 2013 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.56.0/23 since May 2013 | AS27257 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.58.0/23 since Dec 2012 | AS20264 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.60.0/24 since Mar 2017 | AS53365 | Hosting | Webair Internet Development Company, Inc | |
| 173.239.62.0/24 since May 2024 | AS396528 | Hosting | Webair Internet Development Company Inc. | |
| 173.239.63.0/24 since Jan 2026 | AS20264 | Hosting | Webair Internet Development Company Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.239.0.0 - 173.239.59.255 | 15,360 | WEBAIRINTERNET8 | Webair Internet Development Company Inc. (WAIR) · US | Direct Allocation | Mar 30, 2010 | [email protected] |
| └ 173.239.2.168/29 | 8 | TELEGO-173-239-2-168 | unknown | — | — | — |
| └ 173.239.5.224/29 | 8 | TELEGO-173-239-5-224 | unknown | — | — | — |
| └ 173.239.12.144/28 | 16 | TELEGO-173-239-12-144 | unknown | — | — | — |
| └ 173.239.12.184/29 | 8 | TELEGO-173-239-12-184 | unknown | — | — | — |
| └ 173.239.19.0/24 | 256 | OPTI9TECH-CA-05 | HostedBizz Incorporated (HOSTE-21) · CA | Reassigned | Sep 2, 2025 | [email protected] |
| └ 173.239.20.0/24 | 256 | OPTI9TECH-CA-06 | HostedBizz Incorporated (HOSTE-21) · CA | Reassigned | Sep 2, 2025 | [email protected] |
| └ 173.239.22.0/24 | 256 | OPTI9TECH-CA-09 | HostedBizz Incorporated (HOSTE-21) · CA | Reassigned | Jul 9, 2026 | [email protected] |
| └ 173.239.24.0/24 | 256 | OPTI9TECH-CA-10 | HostedBizz Incorporated (HOSTE-21) · CA | Reassigned | Jul 9, 2026 | [email protected] |
| └ 173.239.43.64/29 | 8 | TELEGO-173-239-43-64 | unknown | — | — | — |
| └ 173.239.49.0/25 | 128 | ITECH-LLC | unknown | — | — | — |
| 173.239.60.0/24 | 256 | WEBAIRINTERNET8 | Webair Internet Development Company, Inc (WID-7) · CA | Direct Allocation | Feb 14, 2017 | [email protected] |
| 173.239.61.0 - 173.239.63.255 | 768 | WEBAIRINTERNET8 | Webair Internet Development Company Inc. (WAIR) · US | Direct Allocation | Feb 14, 2017 | [email protected] |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS27257
US
- Name
- Webair Internet Development Company Inc.
- Type
- Hosting
- Registered
- Feb 3, 2003
- Domain
- webair.com
- Website
- www.webair.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2010
- Current origin since
- Apr 2010 · 17 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS27257 | RADB | Webair Internet Development Inc. | MAINT-AS27257 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 173.239.48.0/20 | AS36057 | RADB | Webair Internet Development Inc. | MAINT-AS27257 | Nov 13, 2023 |
| 173.239.62.0/23 | AS25525 | RADB | webair customer route | MAINT-AS27257 | Nov 13, 2023 |
Whois
Registration for this announcement
173.239.0.0/18 spans several registrations: 13 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 30, 2010
- Status
- assigned