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CIDR
/20 · 4.1K IPs
ASN
JSC ER-Telecom Holding
Reverse DNS
mail.confspb.ru
Last scanned 23 hr 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.

78/100
Moderate
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)
mail.global-port.ru
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-27 19:34 UTC
Forward DNS last checked
2026-09-27 18:22 UTC

Forward DNS records for mail.global-port.ru

TypeValuePriorityTTL
A 5.17.2.202 — 172800s
A 91.219.66.202 — 172800s
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.

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.

  1. mail.global-port.ru — Sep 27, 2026 → present
  2. mail.aspolrf.ru — Sep 27, 2026 → Sep 27, 2026
  3. mail.confspb.ru — Sep 27, 2026 → Sep 27, 2026
  4. mail.confmsk.ru — Sep 26, 2026 → Sep 27, 2026
  5. mail.rusnpk.ru — Sep 26, 2026 → Sep 26, 2026
  6. mail.forumeco.ru — Sep 25, 2026 → Sep 26, 2026
  7. mail.confspb.ru — Sep 25, 2026 → Sep 25, 2026
  8. mail.polarf.ru — Aug 23, 2026 → Sep 25, 2026
  9. mail.confmsk.ru — Aug 19, 2026 → Aug 23, 2026
  10. mail.hc.spb.ru — Aug 18, 2026 → Aug 19, 2026
  11. mail.meft.info — Aug 17, 2026 → Aug 18, 2026
  12. mail.rusnpk.ru — Jul 10, 2026 → Aug 17, 2026
  13. mail.paistaxi.info — Jul 7, 2026 → Jul 10, 2026
  14. mail.aspolrf.org — Jul 7, 2026 → Jul 7, 2026
  15. mail.rusnpk.ru — Jul 3, 2026 → Jul 7, 2026
  16. mail.morportservice.ru — Jul 3, 2026 → Jul 3, 2026
  17. mail.forumeco.ru — Jun 29, 2026 → Jul 3, 2026
  18. mail.aspolrf.ru — Jun 29, 2026 → Jun 29, 2026
  19. mail.global-port.ru — Jun 25, 2026 → Jun 29, 2026
  20. mail.forumeco.ru — Jun 25, 2026 → Jun 25, 2026
  21. mail.confmsk.ru — Jun 22, 2026 → Jun 25, 2026
  22. mail.forumeco.ru — Jun 22, 2026 → Jun 22, 2026
  23. mail.hc.spb.ru — Jun 19, 2026 → Jun 22, 2026
  24. mail.aspolrf.ru — Jun 17, 2026 → Jun 19, 2026

Network Allocation for 5.17.2.202

CIDR range
5.17.0.0/20
IP range (int)
85,000,192 — 85,004,287
Prefix length
/20
Organization
JSC ER-Telecom Holding
ASN
AS41733
ASN name
JSC ER-Telecom Holding
Location
St Petersburg, St Petersburg, Russia
Coordinates
59.898300, 30.261800
Accuracy radius
5 km
Postal code
190000
Regional Internet Registry
RIPE
Allocated
2012-04-27
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-26 05:20:31

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

Announced prefix
Origin AS
Announcement samples
42,914
Last seen
2026-09-28 00:19:41

Frequently Asked Questions

Who owns 5.17.2.202?

5.17.2.202 is allocated to JSC ER-Telecom Holding (AS41733), registered in St Petersburg, Russia.

Where is 5.17.2.202 located?

The geolocation for 5.17.2.202 maps to St Petersburg, 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 5.17.2.202 on?

5.17.2.202 belongs to the 5.17.0.0/20 network block announced by AS41733. This range contains 4,096 addresses.

Does 5.17.2.202 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: 2026-09-27 04:53:40 UTC
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