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WorldIP.io
CIDR
/20 · 4.1K IPs
ASN
Comcast Cable Communications, LLC
Reverse DNS
mail.uunorthampton.org
Last scanned 22 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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mail.uunorthampton.org
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-11-08 14:35 UTC

Forward DNS records for mail.uunorthampton.org

TypeValuePriorityTTL
A 35.212.29.133 — 7200s
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 2026-11-08 UTC

1

Registrable domains (like example.com) with at least one name resolving to this IP — updated daily from issued.live's DNS data.

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.

  1. mail.uunorthampton.org — Nov 5, 2026 → present
  2. spam1.northeastit.net — Nov 5, 2026 → Nov 5, 2026
  3. mail.uunorthampton.org — Nov 2, 2026 → Nov 5, 2026
  4. spam1.northeastit.net — Nov 1, 2026 → Nov 2, 2026
  5. mail.uunorthampton.org — Nov 1, 2026 → Nov 1, 2026
  6. spam1.northeastit.net — Oct 31, 2026 → Nov 1, 2026
  7. mail.uunorthampton.org — Oct 29, 2026 → Oct 31, 2026
  8. spam1.northeastit.net — Oct 27, 2026 → Oct 29, 2026
  9. mail.uunorthampton.org — Oct 24, 2026 → Oct 27, 2026
  10. spam1.northeastit.net — Oct 23, 2026 → Oct 24, 2026
  11. mail.uunorthampton.org — Oct 22, 2026 → Oct 23, 2026
  12. spam1.northeastit.net — Oct 19, 2026 → Oct 22, 2026
  13. mail.uunorthampton.org — Oct 17, 2026 → Oct 19, 2026
  14. spam1.northeastit.net — Oct 16, 2026 → Oct 17, 2026
  15. mail.uunorthampton.org — Oct 14, 2026 → Oct 16, 2026
  16. spam1.northeastit.net — Oct 12, 2026 → Oct 14, 2026
  17. mail.uunorthampton.org — Oct 11, 2026 → Oct 12, 2026
  18. spam1.northeastit.net — Oct 10, 2026 → Oct 11, 2026
  19. mail.uunorthampton.org — Oct 6, 2026 → Oct 10, 2026
  20. spam1.northeastit.net — Oct 6, 2026 → Oct 6, 2026
  21. mail.uunorthampton.org — Oct 5, 2026 → Oct 6, 2026
  22. spam1.northeastit.net — Oct 4, 2026 → Oct 5, 2026
  23. mail.uunorthampton.org — Oct 3, 2026 → Oct 4, 2026
  24. spam1.northeastit.net — Oct 2, 2026 → Oct 3, 2026
  25. mail.uunorthampton.org — Oct 1, 2026 → Oct 2, 2026
  26. spam1.northeastit.net — Sep 28, 2026 → Oct 1, 2026
  27. mail.uunorthampton.org — Sep 26, 2026 → Sep 28, 2026
  28. spam1.northeastit.net — Sep 25, 2026 → Sep 26, 2026
  29. no PTR — Aug 25, 2026 → Sep 25, 2026
  30. mail.uunorthampton.org — Aug 19, 2026 → Aug 25, 2026
  31. spam1.northeastit.net — Aug 18, 2026 → Aug 19, 2026
  32. mail.uunorthampton.org — Jul 9, 2026 → Aug 18, 2026
  33. spam1.northeastit.net — Jun 15, 2026 → Jul 9, 2026

Network Allocation for 173.9.113.201

CIDR range
173.9.112.0/20
IP range (int)
2,903,076,864 — 2,903,080,959
Prefix length
/20
Organization
Comcast Cable Communications, LLC
ASN
AS7922
ASN name
Comcast Cable Communications, LLC
Location
Weymouth, Massachusetts, United States
Coordinates
42.209500, -70.933200
Accuracy radius
200 km
Postal code
02191
Regional Internet Registry
ARIN
Allocated
2008-05-05
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-11-08 08:47:38

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

Announced prefix
Origin AS
Announcement samples
44,637
Last seen
2026-11-08 14:54:53

Frequently Asked Questions

Who owns 173.9.113.201?

173.9.113.201 is allocated to Comcast Cable Communications, LLC (AS7922), registered in Weymouth, United States.

Where is 173.9.113.201 located?

The geolocation for 173.9.113.201 maps to Weymouth, United States 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 173.9.113.201 on?

173.9.113.201 belongs to the 173.9.112.0/20 network block announced by AS7922. This range contains 4,096 addresses.

Does 173.9.113.201 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: 2026-11-08 14:16:53 UTC
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