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CIDR
/20 · 4.1K IPs
ASN
Santa Clara County Office of Education
Reverse DNS
sjusd.org
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.

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)
sjusd.org
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
300 s
Reverse DNS last checked
2026-09-12 07:47 UTC

Forward DNS records for sjusd.org

TypeValuePriorityTTL
A 104.17.67.73 172800s
MX mxa-00298c01.gslb.pphosted.com 10
MX mxb-00298c01.gslb.pphosted.com 10
NS ns1.hover.com
NS ns2.hover.com
TXT 1password-site-verification=UAIDRYFDFJBGRPPBY5M4X6DEC4
TXT 6DPc4PpmoqUU/nJ1YvyZJ6DhZFk0CVHZoS/d2/xNCy/CKFsHpVz2KoF6OUxTa9AQBxKY54PLsUSg5qlOzuUAFQ==
TXT 93.244.107.40.in-addr.arpa
TXT adobe-idp-site-verification=18769b25b23aeee9ccff9b892e8af0ad1c99b16fb9ff489f961bc34e67610cf3
TXT apple-domain-verification=axGAuL5zeyVG2vH4
TXT atlassian-domain-verification=M+YzfSn8TGh2aehw8tpI1K+1uv+YTNYvlYEtSYqiaM3wX83IvAljqxiYi3ejOg/i
TXT cisco-ci-domain-verification=5a3ed699a3c47b288b194272a47a568f31388e639504a9813cdc16aee3b3ef53
TXT google-site-verification=zS9OnRC0DjMJFArAX67nNeQPmbgvaCEeFUEKhLtpTQo
TXT jamf-site-verification=uKjSbpk4CUH96sASYv63pg
TXT v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc_agg@vali.email
TXT v=spf1 mx ip4:143.254.0.14 ip4:143.254.0.18 ip4:50.223.178.203 ip4:50.223.178.208 ip4:50.223.178.201 include:spf.protection.outlook.com -all
TXT viewsonic=tuf314pg
TXT zapier-domain-verification-challenge=a80b97b6-82b2-4400-87c1-e5ab81e77378
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 143.254.0.14

CIDR range
143.254.0.0/20
IP range (int)
2,415,788,032 — 2,415,792,127
Prefix length
/20
Organization
Santa Clara County Office of Education
ASN
AS3734
ASN name
Santa Clara County Office of Education
Location
San Jose, California, United States
Coordinates
37.320900, -121.912600
Accuracy radius
10 km
Postal code
95126
Regional Internet Registry
ARIN
Allocated
1990-10-26
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-06-23 09:23:53

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

Announced prefix
Origin AS
Announcement samples
22,636
Last seen
2026-09-12 09:53:24

Frequently Asked Questions

Who owns 143.254.0.14?

143.254.0.14 is allocated to Santa Clara County Office of Education (AS3734), registered in San Jose, United States.

Where is 143.254.0.14 located?

The geolocation for 143.254.0.14 maps to San Jose, 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 143.254.0.14 on?

143.254.0.14 belongs to the 143.254.0.0/20 network block announced by AS3734. This range contains 4,096 addresses.

Does 143.254.0.14 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: 2026-09-12 03:38:19 UTC
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