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CIDR
/25 · 128 IPs
ASN
Level 3 Parent, LLC
Reverse DNS
pfm.com
Last scanned 2 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)
pfm.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-08-27 06:31 UTC

Forward DNS records for pfm.com

TypeValuePriorityTTL
A 52.186.34.100 300s
MX us-smtp-inbound-1.mimecast.com 10
MX us-smtp-inbound-2.mimecast.com 10
NS ns1-34.azure-dns.com
NS ns2-34.azure-dns.net
NS ns3-34.azure-dns.org
NS ns4-34.azure-dns.info
TXT 4sxg9IZ3fGFzncQ4gUHetzFJO8qYargTrANOjbnH0q6gcbhBvDzfI0RZIj9HqDuiLPtJHjOsdcOn0o9f1Jmrsg==
TXT 4vh99m413p5l0cgf6n7lwpby5y8c0h1n
TXT MS=6069A75C4C8416F9AC7270C5A78AD9C544F6B439
TXT MS=ms40265433
TXT P2A_12622_8
TXT SFMC-Zm5ZEz9pJSWFf-gPS1CHBRBt6L8ekCLBscqc0z32
TXT _6j5pa02967yynu9utamf1qapy22gqgx
TXT _zgyu7l5ldmvga0ddgjmjdcauo2p83m2
TXT anthropic-domain-verification-fqjqvx=GfKXli9kPplS4JlFqQaOC5SKG
TXT atlassian-domain-verification=S07rnOTsOjzdSjqcyzlsb5nJxobDCUEcuiX1r2GPpTIOufgDL2qqhrLTkMZruN/7
TXT cisco-ci-domain-verification=3e2551312ef2aacc0991a2429bde81d6ba37aed1ec48d95f68bf807a07020d19
TXT cisco-ci-domain-verification=54f765fb82452e31b08fc53727da5a647cff0e29aa9f063f7cbc3205cd2b78c3
TXT cursor-domain-verification-4zbw5n=UVnTlDCpSaqHy1aJL2dP13iBk
TXT docusign=1e42e260-c2f0-4b1c-88b5-494d2acb434c
TXT duo_sso_verification=FNMLLrjv3QFjVrhpfKSlGz59UenyjHpc70T3g8yTjLKpWdMvpO1pfLGX3MscWv0H
TXT google-site-verification=_9HLGhS2pG__goWsu-B6g2WwaCshIbj0b9wIMwALjXc
TXT k47ng10820tdd8j7cq0m179r02btwmwd
TXT pdq-613333
TXT qdbfxwpgk383712x5nwlcf2gv5c2ftvn
TXT v=DMARC1; p=reject; rua=mailto:298ee631e9cb980@rep.dmarcanalyzer.com; ruf=mailto:298ee631e9cb980@for.dmarcanalyzer.com; fo=1;
TXT v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
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 4.78.147.255

CIDR range
4.78.147.0/25
IP range (int)
72,258,304 — 72,258,431
Prefix length
/25
Organization
Level 3 Parent, LLC
ASN
AS3356
ASN name
Level 3 Parent, LLC
Location
Philadelphia, Pennsylvania, United States
Coordinates
39.966400, -75.168500
Accuracy radius
100 km
Postal code
19130
Regional Internet Registry
ARIN
Allocated
1992-12-01
Data source(s)
maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
Last updated
2026-08-25 04:03:37

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

Announced prefix
Origin AS
Announcement samples
5,916
Last seen
2026-08-27 06:53:24

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 New Allocation US

See the full history for 4.64.0.0/10.

Frequently Asked Questions

Who owns 4.78.147.255?

4.78.147.255 is allocated to Level 3 Parent, LLC (AS3356), registered in Philadelphia, United States.

Where is 4.78.147.255 located?

The geolocation for 4.78.147.255 maps to Philadelphia, 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 4.78.147.255 on?

4.78.147.255 belongs to the 4.78.147.0/25 network block announced by AS3356. This range contains 128 addresses.

Does 4.78.147.255 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: 2026-08-25 05:32:29 UTC
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