National Center for Atmospheric Research — IP ranges & network footprint

IP Ranges (1)

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CIDR	Org name	Registry	Status	Confidence
128.117.0.0/16	National Center for Atmospheric Research	ARIN	DIRECT ALLOCATION	● medium

Domains hosted in this network

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ucar.edu

Possibly related to this organisation

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Same name family

Separately-registered clusters whose names share “National Center for” — 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.

National Center for Research on Earthquake Engineering 10 blocks
National Center for Meteorology 2 blocks
National-Center-for-E-Learning-and-Distance-LearningMOHE 2 blocks
NATIONAL-CENTER-FOR-DIGESTIVE-AND-KIDNEY_PSD 1 blocks
NATIONAL_CENTER_FOR_DISEASES 1 blocks
National_Center_for_Curriculum_and_Educational_Research 1 blocks
National-Center-For-Exams-LTD 1 blocks
National-Center-for-E-Learning-and-Distance-Learning 1 blocks

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.

International-Center-for via T-Mobile Austria GmbH sub-allocation
NATIONALCATTLEBREEDINGCENTER via Eircom Limited sub-allocation
INTERNATIONALHOMECALLCENTER sub-allocation
SACISTUDIOARTCENTERSINTERNATIONAL sub-allocation
INTERNATIONALPHONECENTER sub-allocation
Smart-National-Center-for-education-career via Partner Communications Ltd. sub-allocation
SHEFFIELD-NATIONAL-OPS-CENTER via Virgin Media Limited sub-allocation
National Center For Disease Prevention And Control via Nour Internet Company for Communications and Information Technology Ltd. sub-allocation

Network trust

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RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (1 of 1)

No discrepancies found among checked blocks.

NIC Handles

ABUSE18-ARIN ADLER49-ARIN HERNA1265-ARIN MEEHL5-ARIN NCAR-Z ZN10-ARIN

Netblocks	1 · 65,535 IPv4 addresses
All fragments	20 blocks across 9 clusters
Cluster ID	208816077
Registry	ARIN
Customers	find customers using this network →

Attribution	BGP parent (inherited)
Shared handles	clustered on 6 shared RIR contact/maintainer handles
Registry names	1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works