Data as of Nov 5, 2026
173.231.53.0/24
3 residential-proxy exits · 30 daysWebNX, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
Reallocated May 13, 2026
to 365 Group by WebNX, Inc.
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
3 observations
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 173.231.0.0/18 since Mar 2010 | AS18450 | Hosting | WebNX, 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 |
|---|---|---|---|---|---|---|
| 173.231.0.0/18 | 16,384 | WEBNX-BLK-3 | WebNX, Inc. (WEBNX) · US | Direct Allocation | Mar 19, 2010 | abuse@ |
| └ 173.231.53.0/24 | 256 | REASSIGNED-GROUP-73-1 | 365 Group (GROUP-73) · US | Reallocated | May 13, 2026 | — |
Network & registry
Registry
Holder
- Organization
- WebNX, Inc.
- Handle
- WEBNX
- Range
- 173.
231. 0. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Mar 19, 2010
- Reallocated to
- 365 Group (GROUP-73)
- Reallocated range
- 173.
231. 53. 0/ 24 - Reallocated
- May 13, 2026
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2024
- Current origin since
- Jul 2024 · 2.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.231.0.0/18 | AS18450 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18450 | RADB | WEBNX IP BLK | MAINT-AS18450 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 173.
231. 53. 0/ 24 - Netname
- REASSIGNED-GROUP-73-1
- Registrant
- 365 Group
- Organization
- 365 Group (GROUP-73)
- Org address
- 119 North 600 West, Bldg 3B, Ogden, UT, 84404
- Org country
- US
- Type
- Reallocated
- Handle
- NET-173-231-53-0-1
- Parent
- NET-173-231-0-0-1
- Created
- May 13, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 19, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
webnx. com - Name
- Abuse
- Phone
- +1-800-840-5996
- Handle
- ABUSE1832-ARIN