Data as of Nov 13, 2026
31.172.87.0/24
4 residential-proxy exits · 30 daysUltahost, Inc. · space held by firstcolo GmbH
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Providers
16
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
84 observations
Proxy providers listing exits
- BirdProxies
- BottingTools
- Byteful
- ColaProxy
- Decodo
- EZProxies
- Evomi
- HideProxy
- IPFly
- IPPeak
- Oxylabs
- ProxiesVision
- ProxyGeo
- Proxyma
- PuraRoute
- RainProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 31.172.80.0/20 since Jul 2018 | AS44066 | Hosting | 9 3 always on | firstcolo GmbH |
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 |
|---|---|---|---|---|---|---|
| 31.172.80.0/20 | 4,096 | DE-ACCELERATED-20110401 | firstcolo GmbH (ORG-AISG3-RIPE) · DE | ALLOCATED PA | Oct 8, 2019 | abuse@ |
| └ 31.172.87.0/24 | 256 | ULTAHOST | UltaHost Inc (ORG-UI47-RIPE) · US | ASSIGNED PA | May 17, 2024 | u-abuse@ |
Network & registry
Registry
Holder
- Organization
- firstcolo GmbH
- Handle
- ORG-AISG3-RIPE
- Range
- 31.
172. 80. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- Oct 8, 2019
Origin network
AS214036
US
- Name
- Ultahost, Inc.
- Type
- Hosting
- Registered
- Oct 15, 2024
- Domain
- ultahost.com
- Website
- ultahost.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jul 2021
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.172.87.0/24 | AS214036 | /32 | RIPE | RPKI valid |
| 31.172.80.0/20 | AS44066 | /32 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS214036 | RIPE | MNT-FIRSTCOLO | Aug 29, 2025 |
Whois
Registration for this announcement
- Range
- 31.
172. 87. 0/ 24 - Netname
- ULTAHOST
- Registrant
- UltaHost Inc
- Registrant country
- DE
- Organization
- UltaHost Inc (ORG-UI47-RIPE)
- Org country
- US
- Type
- ASSIGNED PA
- Created
- May 17, 2024
- Updated
- Sep 3, 2025
- Maintainer
- ACCELERATED-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Apr 1, 2011
- Status
- assigned
Report abuse
Abuse contact
- u-abuse@
ultahost. com - Name
- UltaHost Inc
- Handle
- UI48110-RIPE