AS18596 - MADISONTELCO - Madison Telephone Company, US

United States
AS Number
AS18596
AS Name
MADISONTELCO
Org Name
Madison Telephone Company
Country
United States
Registry

arin

RegDate

2000-01-24

Updated

2025-11-05

AS18596 Looking Glass
IPv4Prefixes

9

IPv6Prefixes

1

IPv4 NUMs

12,288

IPv6 NUMs(/64)

4,294,967,296

12,288 IPv4 Addresses
CIDR Description IP Num
66.242.192.0/24
IRR Parent Valid
Madison Telephone Company 256
66.242.192.0/19
IRR Valid
Madison Telephone Company 8192
66.242.205.0/24
IRR Parent Valid
Madison Telephone Company 256
66.242.206.0/23
IRR Parent Valid
Madison Telephone Company 512
66.242.208.0/22
IRR Parent Valid
Madison Telephone Company 1024
66.242.221.0/24
IRR Parent Valid
Madison Telephone Company 256
76.77.224.0/20
IRR Valid
Madison Telephone Company 4096
76.77.232.0/22
IRR Parent Valid
Madison Telephone Company 1024
76.77.236.0/22
IRR Parent Valid
Madison Telephone Company 1024
CIDR Description IP NUMs(prefix /64)
2605:1680::/32
Madison Telephone Company 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,918,592 185,692,717,056 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,178,560 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,144 17,180,065,792 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 580,864 282,631,665,680,384 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,495,808 25,770,590,208 IPv4 IPv4
AS16552 DIGICERT - Tiggee LLC, US United States 20,480 34,363,604,992 IPv4 IPv4
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv4 IPv4
AS32709 1-JOINK - Joink, LLC, US United States 45,056 4,294,967,296 IPv4 IPv4
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132,096 4,294,967,296 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 104,960 77,403,783,168 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 124,064 112,721,920 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.78 2001:504:0:4:0:1:8596:1 10 Gbps 2018-05-01 20:12:45

Private Peering Facilities

Country/Region Name City Website Updated 
ASNumber:       18596
ASName:         MADISONTELCO
ASHandle:       AS18596
RegDate:        2000-09-18
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/18596


OrgName:        Madison Telephone Company
OrgId:          MADT
Address:        PO 29
Address:        21668 Double Arch Dr 
City:           Staunton
StateProv:      IL
PostalCode:     62088
Country:        US
RegDate:        2000-01-24
Updated:        2025-11-05
Comment:        Please submit all abuse complaints to
Comment:        abuse@madisontelco.com
Ref:            https://rdap.arin.net/registry/entity/MADT


OrgAbuseHandle: ABUSE655-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-618-633-2267 
OrgAbuseEmail:  abuse@madisontelco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE655-ARIN

OrgTechHandle: JB1300-ARIN
OrgTechName:   Bacher, Jan 
OrgTechPhone:  +1-618-713-3777 
OrgTechEmail:  jb@janbacher.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JB1300-ARIN

OrgTechHandle: WALDR142-ARIN
OrgTechName:   Waldrop, Justin 
OrgTechPhone:  +1-618-635-2077 
OrgTechEmail:  jwaldrop@gomadison.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WALDR142-ARIN

RTechHandle: JB1300-ARIN
RTechName:   Bacher, Jan 
RTechPhone:  +1-618-713-3777 
RTechEmail:  jb@janbacher.com
RTechRef:    https://rdap.arin.net/registry/entity/JB1300-ARIN