Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory — IP ranges & network footprint

IP Ranges (5)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
140.208.0.0/18	Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory	BGP	ANNOUNCED	● high
140.208.144.0/20	Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory	BGP	ANNOUNCED	● high
2610:20:8020::/44	Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory	BGP	ANNOUNCED	● high
2610:20:9120::/48	Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory	BGP	ANNOUNCED	● high
140.208.0.0 – 140.208.239.255	Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory	ARIN	DIRECT ALLOCATION	● low

IPv6 ranges (2)

CIDR
2610:20:8020::/44
2610:20:9120::/48

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “Office of” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

Office of Info.Tech. Admin. for Educational Development 283 blocks
Office of The Chief Information Officer (OCIO) 47 blocks
Office of Management and Budget 34 blocks
Office of the National Broadcasting and Telecommunication Commission 10 blocks
Office of the president 9 blocks
Office of the Verkhovna Rada of Ukraine 7 blocks
Office of Consensus Maintenance LLC 7 blocks
Office_of_the_Basic_Education_Commission 6 blocks

Combined view of all 81 name-family clusters →

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

Changleminhangrevenue Office via CNCGROUP IP network of ShangHai IDC sub-allocation
Changlehangchengstreet Office via CNCGROUP IP network of ShangHai IDC sub-allocation
Changlehangarchives Office via CNCGROUP IP network of ShangHai IDC sub-allocation
Fujianbulkcement Office via CNCGROUP IP network of ShangHai IDC sub-allocation
Liminoccupationtechniccollegeteacheroffice School via CNCGROUP IP network of ShangHai IDC sub-allocation
Chinacommunicationconstructbeijingengineeringofficefujianfiliale Corp via CNCGROUP IP network of ShangHai IDC sub-allocation
Huaxin-Telecommunication-Office via CNCGROUP IP network of ShangHai IDC sub-allocation
Ton Pao Municipality Office via Royal Thai Armed Force Headquarters sub-allocation

Network trust

what's this?

RPKI hygiene: B how networks compare →

80.0% of checked blocks have valid RPKI ROA coverage (4 of 5)

No discrepancies found among checked blocks.

NIC Handles

AS40623 GFDL-Z NAA38-ARIN NAA40-ARIN NAT41-ARIN NAT41-ARIN SIDHU31-ARIN SIDHU31-ARIN SIDHU31-ARIN TNM4-ARIN WILSO1108-ARIN WILSO1108-ARIN

Netblocks	5 · 61,440 IPv4 addresses
IPv6	2 prefixes (largest 2610:20:8020::/44)
All fragments	514 blocks across 81 clusters
Cluster ID	214379942
Registry	BGP
Customers	find customers using this network →

Attribution	BGP parent (inherited)
Shared handles	clustered on 12 shared RIR contact/maintainer handles
Registry names	2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue