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CIDR
/20 · 4.1K IPs
ASN
JSC ER-Telecom Holding
Reverse DNS
37x112x137x17.static-business.nn.ertelecom.ru
Last scanned 1 days ago
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

83/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
ertelecom.ru
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-10-06 08:42 UTC
Forward DNS last checked
2026-10-06 08:42 UTC

Forward DNS records for ertelecom.ru

TypeValuePriorityTTL
A 91.221.164.66 — 3600s
MX mx.ertelecom.ru 10 —
NS ns6.ertelecom.ru — —
NS ns8.ertelecom.ru — —
TXT 188591d8-74e8-443e-8ab9-4027e4f4e297 — —
TXT 29d40bb0-4a8a-46f8-8b6d-28ce774210a2 — —
TXT LDLAUNCHPAD=https://mdm.ertelecom.ru/launchpad.cloud — —
TXT MS=00FCE1F39B5D4DFE0CD13B41F9083FF6A3B10A25 — —
TXT Mi4fs3ix3pIQl7VtaGmKF3E2neYJv3nOlHoMxUOjD7cFSl1W4RQwN8mtjIi7eValEXpzHQ2CYSUukj4qHmoXsQ== — —
TXT OSIAGENTREGURL=https://mdm.ertelecom.ru/MobileEnrollment/ld-iosEnroll.aspx — —
TXT Z07huEGan11mrpkMYfvnA9acV1VHphoH5wheaXzBXpAlkJbPjGKDSD4rGkrIf07lgqf0d9A4QScOF95f6FU9uQ== — —
TXT _globalsign-domain-verification=_ktUunlrBjlXcCfezsYYAURvdn9z85gV2RV42bWBux — —
TXT _globalsign-domain-verification=fQhL3MXLhAb5_erIt0R6DsZL2hSSlV-6KDtrRo1M5O — —
TXT android-mdm-enroll=https://mdm.ertelecom.ru/mobileenrollment/ld-androidenroll.aspx — —
TXT globalsign-domain-verification=IJuQ6GsGpySPQn20SkyKuOGSxZiHReN8qPLu7l_bii — —
TXT globalsign-domain-verification=IqUGTLxPq_EMDw-4z3kh-ytFzjwwOe95Tyn0t3VJ_k — —
TXT globalsign-domain-verification=KKaHte6v4AUqxffRWw6anP03yZyUoCnbO6CGzd21UH — —
TXT globalsign-domain-verification=hfn9QV0HqGdGAqz0z2oIB-dv1D_JRLsWxYmNSkrnZ6 — —
TXT holst-verification=qbl9h3worvrx7kxa9pkhg0c2v06olthquhpl5s86 — —
TXT mLCy9ANDS3kUKsJ9FRyF+mbBmHidwz74y+M78YBScoDjWqzeIzQJDLn0dkvAmpfQaL7m3eCaDPJD9q0FRVv7yg== — —
TXT miro-verification=a6b2c9fb865aed75ce02f1020bbc16cf0cec56ef — —
TXT pRtllkPu7aIHfMM01roLDRspkGZQwwPtloWW8lXZKJE — —
TXT tci-dcv=9f642c98f67457aa3c4d1046e35d2f0efd0ceebe8cdfdb35dff448682bbbbc64 — —
TXT v=DMARC1; p=reject — —
TXT v=spf1 redirect=_spf.ertelecom.ru — —
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Domains hosted

as of 2026-10-04 UTC

0

issued.live saw no domain resolving to this IP in its latest weekly snapshot.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

Reverse-DNS changes between Oct 5, 2026 and Oct 6, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. ertelecom.ru — since at least Oct 6, 2026 → present
  2. 37x112x137x17.static-business.nn.ertelecom.ru — Oct 5, 2026 → Oct 6, 2026
  3. ertelecom.ru — Oct 5, 2026 → Oct 5, 2026
  4. 37x112x137x17.static-business.nn.ertelecom.ru — Oct 5, 2026 → Oct 5, 2026
  5. ertelecom.ru — Oct 5, 2026 → Oct 5, 2026
  6. 37x112x137x17.static-business.nn.ertelecom.ru — Oct 4, 2026 → Oct 5, 2026
  7. ertelecom.ru — Oct 2, 2026 → Oct 4, 2026
  8. 37x112x137x17.static-business.nn.ertelecom.ru — Oct 1, 2026 → Oct 2, 2026
  9. ertelecom.ru — Oct 1, 2026 → Oct 1, 2026
  10. 37x112x137x17.static-business.nn.ertelecom.ru — Sep 30, 2026 → Oct 1, 2026
  11. ertelecom.ru — Sep 26, 2026 → Sep 30, 2026
  12. 37x112x137x17.static-business.nn.ertelecom.ru — Sep 26, 2026 → Sep 26, 2026
  13. ertelecom.ru — Sep 25, 2026 → Sep 26, 2026
  14. 37x112x137x17.static-business.nn.ertelecom.ru — Aug 25, 2026 → Sep 25, 2026
  15. ertelecom.ru — Aug 23, 2026 → Aug 25, 2026
  16. 37x112x137x17.static-business.nn.ertelecom.ru — Aug 18, 2026 → Aug 23, 2026
  17. ertelecom.ru — Aug 18, 2026 → Aug 18, 2026
  18. 37x112x137x17.static-business.nn.ertelecom.ru — Jul 6, 2026 → Aug 18, 2026
  19. ertelecom.ru — Jul 2, 2026 → Jul 6, 2026
  20. 37x112x137x17.static-business.nn.ertelecom.ru — Jun 29, 2026 → Jul 2, 2026
  21. ertelecom.ru — Jun 23, 2026 → Jun 29, 2026
  22. 37x112x137x17.static-business.nn.ertelecom.ru — Jun 19, 2026 → Jun 23, 2026
  23. ertelecom.ru — Jun 11, 2026 → Jun 19, 2026

Network Allocation for 37.112.137.17

CIDR range
37.112.128.0/20
IP range (int)
628,129,792 — 628,133,887
Prefix length
/20
Organization
JSC ER-Telecom Holding
ASN
AS42682
ASN name
JSC ER-Telecom Holding
Location
Russia
Coordinates
55.738600, 37.606800
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
2012-02-09
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-05 08:42:50

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
49,725
Last seen
2026-10-06 20:31:47

Frequently Asked Questions

Who owns 37.112.137.17?

37.112.137.17 is allocated to JSC ER-Telecom Holding (AS42682), registered in Russia.

Where is 37.112.137.17 located?

The geolocation for 37.112.137.17 maps to Russia based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 37.112.137.17 on?

37.112.137.17 belongs to the 37.112.128.0/20 network block announced by AS42682. This range contains 4,096 addresses.

Does 37.112.137.17 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-10-06 08:35:51 UTC
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