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CIDR
/19 · 8.2K IPs
ASN
Jisc Services Limited
Reverse DNS
it030748.users.bris.ac.uk
Last scanned 14 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
it030748.users.bris.ac.uk
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-23 10:22 UTC
Forward DNS last checked
2026-07-23 10:22 UTC

Forward DNS records for it030748.users.bris.ac.uk

TypeValuePriorityTTL
A 137.222.64.116 171270s
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.

Network Allocation for 137.222.64.116

CIDR range
137.222.64.0/19
IP range (int)
2,313,043,968 — 2,313,052,159
Prefix length
/19
Organization
Jisc Services Limited
ASN
AS786
ASN name
Jisc Services Limited
Location
Bristol, England, United Kingdom
Coordinates
51.460900, -2.623800
Accuracy radius
5 km
Postal code
BS8
Regional Internet Registry
ARIN
Allocated
1991-03-08
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-21 04:08:37

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

Announced prefix
Origin AS
Announcement samples
45,019
Last seen
2026-07-24 00:03:04

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 RIR Transfer arin ripe

See the full history for 137.222.0.0/16.

Frequently Asked Questions

Who owns 137.222.64.116?

137.222.64.116 is allocated to Jisc Services Limited (AS786), registered in Bristol, United Kingdom.

Where is 137.222.64.116 located?

The geolocation for 137.222.64.116 maps to Bristol, United Kingdom 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 137.222.64.116 on?

137.222.64.116 belongs to the 137.222.64.0/19 network block announced by AS786. This range contains 8,192 addresses.

Does 137.222.64.116 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: 2026-07-24 00:29:18 UTC
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