Data as of Nov 7, 2026
81.17.0.0/20
2 residential-proxy exits · 30 daysJSC 'ER-Telecom Holding'
Residential-proxy exits
Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
3
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
51 observations
- Business
- Unknown
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 81.17.2.0/24 | 0 | 1 | |
| 81.17.13.0/24 | 0 | 1 |
Proxy providers listing exits
- BottingTools
- IPFly
- PuraRoute
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 81.17.1.0/24 since Aug 2020 | AS21353 | Unknown | JSC "ER-Telecom Holding" |
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 |
|---|---|---|---|---|---|---|
| 81.17.0.0/20 | 4,096 | RU-RAID-20020107 | JSC "ER-Telecom Holding" (ORG-RA21-RIPE) · RU | ALLOCATED PA | Jan 7, 2002 | abuse@ |
| └ 81.17.0.0/26 | 64 | NETPROVODOV-NET | Yekaterinburg, Company Tron | ASSIGNED PA | Aug 9, 2006 | abuse@ via RU-RAID-20020107 |
| └ 81.17.0.64/27 | 32 | NETPROVODOV-NET | Yekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.0.96/27 | 32 | NETPROVODOV-NET | Yekaterinburg, Company Tron | ASSIGNED PA | Aug 9, 2006 | abuse@ via RU-RAID-20020107 |
| └ 81.17.0.128/26 | 64 | NETPROVODOV-ROUTER | Yekaterinburg, Company Tron | ASSIGNED PA | Jun 27, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.0.192/26 | 64 | NETPROVODOV-ROUTE | Yekaterinburg, Company Tron | ASSIGNED PA | Aug 9, 2006 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.0/26 | 64 | NEXCOM-OFFICENET | Ekaterinburg, Company Tron | ASSIGNED PA | Jun 27, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.64/26 | 64 | NEXCOM-OFFICENET | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.128/26 | 64 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.192/28 | 16 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.208/28 | 16 | NEXCOM-DIALUP | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.2.224/28 | 16 | NEXCOM-COLOCATION | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.3.0/28 | 16 | NEXCOM-NET | Ekaterinburg, Company Tron Abonents | ASSIGNED PA | Jun 28, 2005 | abuse@ via RU-RAID-20020107 |
| └ 81.17.3.16/29 | 8 | NEXCOM-GUVD | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.3.96/27 | 32 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jun 29, 2005 | abuse@ via RU-RAID-20020107 |
| └ 81.17.3.128/26 | 64 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jun 29, 2005 | abuse@ via RU-RAID-20020107 |
| └ 81.17.3.192/26 | 64 | NEXCOM-NET | Pervouralsk & Revda, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81. | 120 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Apr 20, 2017 | abuse@ via RU-RAID-20020107 |
| └ 81.17.4.120/30 | 4 | NEXCOM-NET | Pervouralsk, Enforta | ASSIGNED PA | Apr 20, 2017 | abuse@ via RU-RAID-20020107 |
| └ 81. | 132 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Apr 20, 2017 | abuse@ via RU-RAID-20020107 |
| └ 81.17.5.0/24 | 256 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Oct 29, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.0/28 | 16 | NEXCOM-OMEGA-MINERALS | Ekaterinburg, OOO Omega Minerals Ural | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.40/29 | 8 | NEXCOM-KOTLOMASH | Ekaterinburg, Uralkotlomash-EK LLC | ASSIGNED PA | Mar 29, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.48/29 | 8 | NEXCOM-SIDOROVA | Ekaterinburg, Sidorova | ASSIGNED PA | Apr 22, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.56/29 | 8 | NEXCOM-TK | Customer network client | ASSIGNED PA | Apr 22, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.64/29 | 8 | NEXCOM-NIZMK | Ekaterinburg, OAO NIZMK | ASSIGNED PA | Apr 23, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.72/29 | 8 | NEXCOM-ROOCIT | Ekaterinburg, Roocit | ASSIGNED PA | Nov 3, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.80/29 | 8 | NEXCOM-LINLINE | Ekaterinburg, LinLine Co | ASSIGNED PA | May 13, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.128/29 | 8 | NEXCOM-SIROTINA | Ekaterinburg, Sirotina | ASSIGNED PA | May 31, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.136/29 | 8 | NEXCOM-CONVENT | Ekaterinburg, Novo-Tihvinsky zhensky monastir | ASSIGNED PA | Jun 12, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.160/28 | 16 | NEXCOM-ART-COMPUTERS | Ekaterinburg, OOO Art Computers | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.176/29 | 8 | NEXCOM-IKO | Ekaterinburg, ZAO IKO | ASSIGNED PA | Aug 2, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.184/29 | 8 | NEXCOM-OMEGAOPT | Ekaterinburg, Omega-Opt Ltd. | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.192/29 | 8 | NEXCOM-ELDORADO | Ekaterinburg, OOO Estrade | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.200/29 | 8 | NEXCOM-REGUL | Ekaterinburg, Regul Ltd. | ASSIGNED PA | Jun 20, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.6.224/28 | 16 | NEXCOM-BANG-BONSOMER | Ekaterinburg, Bang&Bonsomer Ltd | ASSIGNED PA | Aug 6, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.7.0/24 | 256 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Dec 15, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.8.0/23 | 512 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Feb 6, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.10.0/24 | 256 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jul 3, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.11.64/27 | 32 | NEXCOM-FUTURE-MEDIA | Ekaterinburg, Future Media, Ltd | ASSIGNED PA | Jun 29, 2005 | abuse@ via RU-RAID-20020107 |
| └ 81.17.12.0/27 | 32 | NEXCOM-TWIN-TRUST | Ekaterinburg, Twin Trust LLC | ASSIGNED PA | Mar 14, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.12.32/29 | 8 | NEXCOM-DEFT | Ekaterinburg, OAO Zavod Defibrernih Kamney | ASSIGNED PA | Jan 26, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.12.232/29 | 8 | NEXCOM-ABB-UETM | Ekaterinburg, ABB UETM Ltd | ASSIGNED PA | Jan 26, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.12.240/28 | 16 | NEXCOM-GALA-CENTER | Ekaterinburg, OOO Gala Center | ASSIGNED PA | Apr 2, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.32/28 | 16 | NEXCOM-KORIFEY | Ekaterinburg, Gymnasia N210 Korifey | ASSIGNED PA | Apr 12, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.48/29 | 8 | NEXCOM-UZHR | Ekaterinburg, Urals Plant of Chemical Reagents | ASSIGNED PA | Jun 29, 2005 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.56/29 | 8 | NEXCOM-IKO | Ekaterinburg, ZAO IKO | ASSIGNED PA | Jan 26, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.80/29 | 8 | NEXCOM-KALINA | Ekaterinburg, JSC Concern Kalina | ASSIGNED PA | Mar 15, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.128/27 | 32 | NEXCOM-UGTU | Ekaterinburg, UGTU-UPI | ASSIGNED PA | Jun 24, 2003 | abuse@ via RU-RAID-20020107 |
| └ 81.17.13.176/28 | 16 | NEXCOM-INTEK | Ekaterinburg, ZAO Company Intek | ASSIGNED PA | May 31, 2002 | abuse@ via RU-RAID-20020107 |
| └ 81.17.14.0/24 | 256 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
| └ 81.17.15.224/27 | 32 | NEXCOM-NET | Ekaterinburg, Company Tron | ASSIGNED PA | Jan 23, 2004 | abuse@ via RU-RAID-20020107 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 2,048 | 50% | 44 | |
| Unknown | 2,032 | 50% | 19 | |
| Residential | 16 | 0.39% | 1 |
Network & registry
Origin network
AS24588
RU
- Name
- JSC 'ER-Telecom Holding'
- Type
- Internet provider
- Registered
- Jan 9, 2002
- Domain
- ertelecom.ru
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS24588 | RIPE | Enforta-EKB | TRON-MNT | Nov 24, 2008 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 81.17.0.0/24 | AS20485 | RADB | BtN Customer | MAINT-AS3491 | Mar 28, 2025 |
| 81.17.0.0/24 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Jul 31, 2014 |
| 81.17.2.0/23 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Jul 31, 2014 |
| 81.17.4.0/22 | AS20485 | RADB | BtN Customer | MAINT-AS3491 | Mar 28, 2025 |
| 81.17.4.0/22 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Jul 31, 2014 |
| 81.17.8.0/21 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Jul 31, 2014 |
| 81.17.8.0/24 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Dec 1, 2014 |
| 81.17.9.0/24 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Dec 1, 2014 |
| 81.17.10.0/24 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Dec 1, 2014 |
| 81.17.11.0/24 | AS20485 | RADB | BtN Customer | MAINT-AS3491 | Mar 28, 2025 |
| 81.17.11.0/24 | AS12772 | RIPE | Enforta-SHA | ENFORTA-MNT | Dec 1, 2014 |
| 81.17.12.0/22 | AS24588 | RIPE | Enforta-EKB | TRON-MNT | Apr 12, 2017 |
| 81.17.14.0/24 | AS20485 | RADB | BtN Customer | MAINT-AS3491 | Mar 28, 2025 |
Whois
Registration for this announcement
- Range
- 81.
17. 0. 0/ 20 - Netname
- RU-RAID-20020107
- Registrant
- JSC "ER-Telecom Holding"
- Registrant country
- RU
- Organization
- JSC "ER-Telecom Holding" (ORG-RA21-RIPE)
- Org country
- RU
- Type
- ALLOCATED PA
- Created
- Jan 7, 2002
- Updated
- Dec 22, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Jan 7, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
domru. ru - Name
- ER-Telecom ISP Contact Role
- Handle
- RAID1-RIPE