38.10.98.0/24 - bgp.tools

38.10.98.0/24

Originated by AS267521
AS Name: ULTRANET NETWORK

Overview
Connectivity
Whois
DNS
Validation

Registered on: 22 Aug 2022 (3 years old)

Registered to: ARIN-COGC (arin); [Transfer History]

Prefix status: Active, Allocated under ARIN

Size of prefix: 1 /24's

Less Specific Announcements

	Prefix	Description
	38.10.98.0/23	ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA
	38.10.96.0/22	ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA
	38.0.0.0/8	Cogent Communications, LLC

Upstreams

AS10429 - Vivo (TELEFÔNICA BRASIL)
AS13786 - Seaborn (Seabras USA, LLC)
AS23106 - American Tower Brasil

Chart Display Options

Temporarily hide my sessions on this graph

Display paths to Route Servers

Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS10429	Vivo (TELEFÔNICA BRASIL)
	AS13786	Seaborn (Seabras USA, LLC)
	AS23106	American Tower Brasil

Peers

	ASN	Description
	AS266196	BRASCOM SOLUCOES E TECNOLOGIA LTDA ME
	AS270824	ENX Services
	AS401661	EMBNEX, LLC
	AS14537	Continent 8 LLC
	AS263903	INFORBARRA TELECOM
	AS263541	IMF NETWORK DATA LTDA - ME
	AS24482	SG.GS
	AS265169	VIPNETT TELECOM
	AS53062	ALT \| GRUPO BRASIL TECPAR
	AS263152	MIGO TELECOM
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO
	AS6424	EDGOO NETWORKS
	AS262999	IVI TECNOLOGIA E COMUNICAÇÃO LTDA
	AS60503	FNX Tecnologia LTDA
	AS42473	Anexia Cloud Solutions GmbH
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa
	AS57463	NetIX Communications JSC
	AS262287	Latitude.sh LTDA
	AS265061	GC NET
	AS36236	NetActuate, Inc
	AS14907	Wikimedia Foundation Inc.
	AS32590	Valve Corporation
	AS270684	SOLUCOES SOUZA WEB LTDA
	AS269396	UNIR TELECOM
	AS60602	Inovare-Prim SRL
	AS263661	Brasil Digital Telecom
	AS55818	Matrix Cable Internet Exchange
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA
	AS199081	Lancom Ltd.
	AS6057	Administracion Nacional de Telecomunicaciones
	AS264409	Huge Networks
	AS213622	Falcon FZE LLC
	AS269641	RURALNET BRASIL
	AS39120	Convergenze S.p.A.
	AS262462	Aranet Play
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA
	AS132337	Axclusive
	AS29049	Delta Telecom Ltd
	AS61624	ISPSHIELD (InfNOC Tecnologia)
	AS28166	TESA - Telecom South America
	AS215248	Bastiaan Mathijs Brink
	AS214757	Jakub Krsa
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA
	AS26162	IX.br Route Servers
	AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
	AS8801	Rocket Fibre Ltd
	AS34170	Aztelekom LLC
	AS269180	VIPNET Conexão
	AS40776	TaoNet
	AS266400	Ferenz Networks
	AS52999	START TELECOM LTDA
	AS206735	Novelcomm LP
	AS214331	Teske Virtual System Ltda
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD
	AS2635	Automattic, Inc
	AS14840	BR.DIGITAL
	AS199524	Gcore S.A.
	AS10429	Vivo (TELEFÔNICA BRASIL)
	AS6939	Hurricane Electric LLC
	AS13786	Seaborn (Seabras USA, LLC)
	AS23106	American Tower Brasil

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


#
# Query terms are ambiguous.  The query is assumed to be:
#     "r + < 38.10.98.0/24"
#
# Use "?" to get help.
#


# start

NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0



OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/COGC

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

# end


# start

NetRange:       38.10.96.0 - 38.10.99.255
CIDR:           38.10.96.0/22
NetName:        ULTRAFIBER-CGNT-NET-1
NetHandle:      NET-38-10-96-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA (C08833806)
RegDate:        2022-08-22
Updated:        2026-01-26
Ref:            https://rdap.arin.net/registry/ip/38.10.96.0


CustName:       ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA
Address:        842 AVENIDA GERALDO INACIO
City:           Coronel Fabriciano
StateProv:      MINAS GERAIS
PostalCode:     35170-150
Country:        BR
RegDate:        2022-08-22
Updated:        2026-01-26
Ref:            https://rdap.arin.net/registry/entity/C08833806

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311 
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

# end



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Last Update: 2026-06-03T13:48:52Z UTC

Remove auto generated reverse DNS entries

	Address	PTR
	38.10.98.0	38-10-98-0.static.ultranet.psi.br.
	38.10.98.1	38-10-98-1.static.ultranet.psi.br.
	38.10.98.2	38-10-98-2.static.ultranet.psi.br.
	38.10.98.4	38-10-98-4.static.ultranet.psi.br.
	38.10.98.5	38-10-98-5.static.ultranet.psi.br.
	38.10.98.6	38-10-98-6.static.ultranet.psi.br.
	38.10.98.7	38-10-98-7.static.ultranet.psi.br.
	38.10.98.8	38-10-98-8.static.ultranet.psi.br.
	38.10.98.9	38-10-98-9.static.ultranet.psi.br.
	38.10.98.10	38-10-98-10.static.ultranet.psi.br.
	38.10.98.11	38-10-98-11.static.ultranet.psi.br.
	38.10.98.12	38-10-98-12.static.ultranet.psi.br.
	38.10.98.13	38-10-98-13.static.ultranet.psi.br.
	38.10.98.14	38-10-98-14.static.ultranet.psi.br.
	38.10.98.17	38-10-98-17.static.ultranet.psi.br.
	38.10.98.18	38-10-98-18.static.ultranet.psi.br.
	38.10.98.19	38-10-98-19.static.ultranet.psi.br.
	38.10.98.20	38-10-98-20.static.ultranet.psi.br.
	38.10.98.21	38-10-98-21.static.ultranet.psi.br.
	38.10.98.23	38-10-98-23.static.ultranet.psi.br.
	38.10.98.24	38-10-98-24.static.ultranet.psi.br.
	38.10.98.25	38-10-98-25.static.ultranet.psi.br.
	38.10.98.26	38-10-98-26.static.ultranet.psi.br.
	38.10.98.27	38-10-98-27.static.ultranet.psi.br.
	38.10.98.28	38-10-98-28.static.ultranet.psi.br.
	38.10.98.29	38-10-98-29.static.ultranet.psi.br.
	38.10.98.30	38-10-98-30.static.ultranet.psi.br.
	38.10.98.32	38-10-98-32.static.ultranet.psi.br.
	38.10.98.33	38-10-98-33.static.ultranet.psi.br.
	38.10.98.34	38-10-98-34.static.ultranet.psi.br.
	38.10.98.35	38-10-98-35.static.ultranet.psi.br.
	38.10.98.36	38-10-98-36.static.ultranet.psi.br.
	38.10.98.37	38-10-98-37.static.ultranet.psi.br.
	38.10.98.39	38-10-98-39.static.ultranet.psi.br.
	38.10.98.40	38-10-98-40.static.ultranet.psi.br.
	38.10.98.41	38-10-98-41.static.ultranet.psi.br.
	38.10.98.42	38-10-98-42.static.ultranet.psi.br.
	38.10.98.45	38-10-98-45.static.ultranet.psi.br.
	38.10.98.47	38-10-98-47.static.ultranet.psi.br.
	38.10.98.49	38-10-98-49.static.ultranet.psi.br.
	38.10.98.50	38-10-98-50.static.ultranet.psi.br.
	38.10.98.52	38-10-98-52.static.ultranet.psi.br.
	38.10.98.53	38-10-98-53.static.ultranet.psi.br.
	38.10.98.54	38-10-98-54.static.ultranet.psi.br.
	38.10.98.55	38-10-98-55.static.ultranet.psi.br.
	38.10.98.56	38-10-98-56.static.ultranet.psi.br.
	38.10.98.57	38-10-98-57.static.ultranet.psi.br.
	38.10.98.59	38-10-98-59.static.ultranet.psi.br.
	38.10.98.60	38-10-98-60.static.ultranet.psi.br.
	38.10.98.61	38-10-98-61.static.ultranet.psi.br.
	38.10.98.62	38-10-98-62.static.ultranet.psi.br.
	38.10.98.63	38-10-98-63.static.ultranet.psi.br.
	38.10.98.64	38-10-98-64.static.ultranet.psi.br.
	38.10.98.65	38-10-98-65.static.ultranet.psi.br.
	38.10.98.66	38-10-98-66.static.ultranet.psi.br.
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	38.10.98.69	38-10-98-69.static.ultranet.psi.br.
	38.10.98.70	38-10-98-70.static.ultranet.psi.br.
	38.10.98.71	38-10-98-71.static.ultranet.psi.br.
	38.10.98.72	38-10-98-72.static.ultranet.psi.br.
	38.10.98.73	38-10-98-73.static.ultranet.psi.br.
	38.10.98.75	38-10-98-75.static.ultranet.psi.br.
	38.10.98.76	38-10-98-76.static.ultranet.psi.br.
	38.10.98.78	38-10-98-78.static.ultranet.psi.br.
	38.10.98.79	38-10-98-79.static.ultranet.psi.br.
	38.10.98.80	38-10-98-80.static.ultranet.psi.br.
	38.10.98.81	38-10-98-81.static.ultranet.psi.br.
	38.10.98.82	38-10-98-82.static.ultranet.psi.br.
	38.10.98.83	38-10-98-83.static.ultranet.psi.br.
	38.10.98.84	38-10-98-84.static.ultranet.psi.br.
	38.10.98.85	38-10-98-85.static.ultranet.psi.br.
	38.10.98.86	38-10-98-86.static.ultranet.psi.br.
	38.10.98.87	38-10-98-87.static.ultranet.psi.br.
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	38.10.98.89	38-10-98-89.static.ultranet.psi.br.
	38.10.98.90	38-10-98-90.static.ultranet.psi.br.
	38.10.98.92	38-10-98-92.static.ultranet.psi.br.
	38.10.98.94	38-10-98-94.static.ultranet.psi.br.
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	38.10.98.96	38-10-98-96.static.ultranet.psi.br.
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	38.10.98.101	38-10-98-101.static.ultranet.psi.br.
	38.10.98.102	38-10-98-102.static.ultranet.psi.br.
	38.10.98.104	38-10-98-104.static.ultranet.psi.br.
	38.10.98.105	38-10-98-105.static.ultranet.psi.br.
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	38.10.98.107	38-10-98-107.static.ultranet.psi.br.
	38.10.98.108	38-10-98-108.static.ultranet.psi.br.
	38.10.98.109	38-10-98-109.static.ultranet.psi.br.
	38.10.98.110	38-10-98-110.static.ultranet.psi.br.
	38.10.98.111	38-10-98-111.static.ultranet.psi.br.
	38.10.98.112	38-10-98-112.static.ultranet.psi.br.
	38.10.98.113	38-10-98-113.static.ultranet.psi.br.
	38.10.98.114	38-10-98-114.static.ultranet.psi.br.
	38.10.98.115	38-10-98-115.static.ultranet.psi.br.
	38.10.98.116	38-10-98-116.static.ultranet.psi.br.
	38.10.98.118	38-10-98-118.static.ultranet.psi.br.
	38.10.98.119	38-10-98-119.static.ultranet.psi.br.
	38.10.98.121	38-10-98-121.static.ultranet.psi.br.
	38.10.98.122	38-10-98-122.static.ultranet.psi.br.
	38.10.98.123	38-10-98-123.static.ultranet.psi.br.
	38.10.98.124	38-10-98-124.static.ultranet.psi.br.
	38.10.98.125	38-10-98-125.static.ultranet.psi.br.
	38.10.98.126	38-10-98-126.static.ultranet.psi.br.
	38.10.98.127	38-10-98-127.static.ultranet.psi.br.
	38.10.98.131	38-10-98-131.static.ultranet.psi.br.
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	38.10.98.135	38-10-98-135.static.ultranet.psi.br.
	38.10.98.136	38-10-98-136.static.ultranet.psi.br.
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	38.10.98.151	38-10-98-151.static.ultranet.psi.br.
	38.10.98.152	38-10-98-152.static.ultranet.psi.br.
	38.10.98.153	38-10-98-153.static.ultranet.psi.br.
	38.10.98.154	38-10-98-154.static.ultranet.psi.br.
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	38.10.98.160	38-10-98-160.static.ultranet.psi.br.
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	38.10.98.178	38-10-98-178.static.ultranet.psi.br.
	38.10.98.179	38-10-98-179.static.ultranet.psi.br.
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	38.10.98.189	38-10-98-189.static.ultranet.psi.br.
	38.10.98.190	38-10-98-190.static.ultranet.psi.br.
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	38.10.98.194	38-10-98-194.static.ultranet.psi.br.
	38.10.98.195	38-10-98-195.static.ultranet.psi.br.
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	38.10.98.198	38-10-98-198.static.ultranet.psi.br.
	38.10.98.199	38-10-98-199.static.ultranet.psi.br.
	38.10.98.201	38-10-98-201.static.ultranet.psi.br.
	38.10.98.202	38-10-98-202.static.ultranet.psi.br.
	38.10.98.203	38-10-98-203.static.ultranet.psi.br.
	38.10.98.204	38-10-98-204.static.ultranet.psi.br.
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	38.10.98.208	38-10-98-208.static.ultranet.psi.br.
	38.10.98.209	38-10-98-209.static.ultranet.psi.br.
	38.10.98.210	38-10-98-210.static.ultranet.psi.br.
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	38.10.98.212	38-10-98-212.static.ultranet.psi.br.
	38.10.98.213	38-10-98-213.static.ultranet.psi.br.
	38.10.98.214	38-10-98-214.static.ultranet.psi.br.
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	38.10.98.222	38-10-98-222.static.ultranet.psi.br.
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	38.10.98.227	38-10-98-227.static.ultranet.psi.br.
	38.10.98.228	38-10-98-228.static.ultranet.psi.br.
	38.10.98.230	38-10-98-230.static.ultranet.psi.br.
	38.10.98.232	38-10-98-232.static.ultranet.psi.br.
	38.10.98.233	38-10-98-233.static.ultranet.psi.br.
	38.10.98.234	38-10-98-234.static.ultranet.psi.br.
	38.10.98.236	38-10-98-236.static.ultranet.psi.br.
	38.10.98.237	38-10-98-237.static.ultranet.psi.br.
	38.10.98.238	38-10-98-238.static.ultranet.psi.br.
	38.10.98.239	38-10-98-239.static.ultranet.psi.br.
	38.10.98.240	38-10-98-240.static.ultranet.psi.br.
	38.10.98.241	38-10-98-241.static.ultranet.psi.br.
	38.10.98.242	38-10-98-242.static.ultranet.psi.br.
	38.10.98.243	38-10-98-243.static.ultranet.psi.br.
	38.10.98.244	38-10-98-244.static.ultranet.psi.br.
	38.10.98.245	38-10-98-245.static.ultranet.psi.br.
	38.10.98.246	38-10-98-246.static.ultranet.psi.br.
	38.10.98.248	38-10-98-248.static.ultranet.psi.br.
	38.10.98.249	38-10-98-249.static.ultranet.psi.br.
	38.10.98.250	38-10-98-250.static.ultranet.psi.br.
	38.10.98.253	38-10-98-253.static.ultranet.psi.br.
	38.10.98.254	38-10-98-254.static.ultranet.psi.br.
	38.10.98.255	38-10-98-255.static.ultranet.psi.br.

Last Update: 2024-11-29T06:31:12Z UTC

	A	DNS
	38.10.98.226	speedjml1.ultranet.psi.br

Last Update: 2026-05-30T22:53:46Z UTC

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