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CIDR
/21 · 2.0K IPs
ASN
ON-LINE Ltd
Reverse DNS
otc.edu
Last scanned 19 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.

81/100
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)
otc.edu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-20 10:35 UTC
Forward DNS last checked
2026-09-20 10:35 UTC

Forward DNS records for otc.edu

TypeValuePriorityTTL
A 141.193.213.20 172800s
A 141.193.213.21 172800s
MX otc-edu.mail.protection.outlook.com 1
NS argus.more.net
NS meramec.coreserv.more.net
NS ns1.more.net
NS ns2.more.net
TXT Foxit-domain-verification=285ed8b36b081afc6a4e7bbbb7600878
TXT MS=7AC67F4B5EDCB821332291106FF434AB57D5D490
TXT adobe-idp-site-verification=26c39455-d925-4ceb-add3-00e78ce1daa2
TXT adobe-sign-verification=290987d02e8dd069c65278196bbdf1c1
TXT apple-domain-verification=KpQwGaoMNo12Ov4G
TXT apple-domain-verification=LBKtzIaIIbFmp4J7
TXT atlassian-domain-verification=x7lu1OSXMn2dohoPc9kFO7nBF25oECMERRaOFbAdotlSy1TsKagfZvj/dTiGl6LG
TXT autodesk-domain-verification=gCIXKfPZyrM4FytUtZsd
TXT bw=Cux3434LzUZDkiM2boYjtHqk2DN9k2B4IPi/mG29RGmZ
TXT cisco-ci-domain-verification=13b80ead96b89cfef06864d7982c04a13bdcddb2e94b7c3f536a6529c8ca3883
TXT docusign=a1b94d90-9478-43a7-aa5f-979901ac2e61
TXT docusign=fe6e2f49-d91e-4771-a977-6dffc4ae9618
TXT google-site-verification=9CRoeUXjyO2LL8WntGTSw5un30LSr4UYikRltUIgLts
TXT google-site-verification=csOXZQALmatXAP86tultt0_RXDTzszoAvUNuoLs08z4
TXT iLClVb4vy4tdwm1hV666S2LW7scRnO/yK84zYKvxfZ0Hn6xTu9I6jp8krel6/cBf8gbX8VWQrwZMrV94djlTaQ==
TXT v=DMARC1; p=quarantine; rua=mailto:dmarcemails@otc.edu; ruf=mailto:dmarcemails@otc.edu; sp=quarantine; aspf=s; adkim=s; fo=1
TXT v=spf1 ip4:198.209.160.133 ip4:198.209.160.134 ip4:216.27.28.10 ip4:216.27.28.20 include:spf.protection.outlook.com include:verifymyfafsa.com include:publicsafetycloud.net -all
TXT zoSSdL6AUftMMCheGAEgGw1ZNQh6lNAxB+qcZfImvVK7oY5m0CxY+rWgymCcdMvWcltQ5S+pGuzl2taiMhmsYA==
TXT zoho-verification=zb11046139.zmverify.zoho.com
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 31.41.217.25

CIDR range
31.41.216.0/21
IP range (int)
522,835,968 — 522,838,015
Prefix length
/21
Organization
ON-LINE Ltd
ASN
AS42655
ASN name
ON-LINE Ltd
Location
Ukraine
Coordinates
50.452200, 30.528700
Accuracy radius
500 km
Regional Internet Registry
RIPE
Allocated
2011-04-04
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-08 18:20:39

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

Announced prefix
Origin AS
Announcement samples
19,405
Last seen
2026-09-20 16:54:11

Frequently Asked Questions

Who owns 31.41.217.25?

31.41.217.25 is allocated to ON-LINE Ltd (AS42655), registered in Ukraine.

Where is 31.41.217.25 located?

The geolocation for 31.41.217.25 maps to Ukraine 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 31.41.217.25 on?

31.41.217.25 belongs to the 31.41.216.0/21 network block announced by AS42655. This range contains 2,048 addresses.

Does 31.41.217.25 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: 2026-09-20 01:29:19 UTC
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