AS Number
AS18888
AS Name
AS-ZILLOW
Org Name
ZILLOW, INC.
Registry

arin

RegDate

2005-03-17

Updated

2022-01-24

AS18888 Looking Glass
IPv4Prefixes

14

IPv6Prefixes

10

IPv4 NUMs

4,096

IPv6 NUMs(/64)

16,777,216

4,096 IPv4 Addresses
CIDR Description IP Num
8.4.228.0/24
IRR Valid
Level 3 Parent, LLC 256
8.20.111.0/24
IRR Valid
Level 3 Parent, LLC 256
8.21.101.0/24
IRR Valid
Level 3 Parent, LLC 256
64.42.184.0/24
IRR Parent Valid
ZILLOW, INC. 256
64.42.184.0/21
IRR Valid
ZILLOW, INC. 2048
64.42.188.0/24
IRR Valid
ZILLOW, INC. 256
64.42.189.0/24
IRR Parent Valid
ZILLOW, INC. 256
64.42.190.0/24
IRR Parent Valid
ZILLOW, INC. 256
64.42.191.0/24
IRR Valid
ZILLOW, INC. 256
192.211.12.0/24
IRR Valid
ZILLOW, INC. 256
192.211.13.0/24
IRR Parent Valid
ZILLOW, INC. 256
192.211.14.0/24
IRR Valid
ZILLOW, INC. 256
192.211.15.0/24
IRR Valid
ZILLOW, INC. 256
209.133.71.0/24
IRR Valid
Zayo Bandwidth 256
CIDR Description IP NUMs(prefix /64)
2620:115::/40
IRR InValid
ZILLOW, INC. 16777216
2620:115:2::/47
IRR Parent Valid
ZILLOW, INC. 131072
2620:115:5::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:9::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:d::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:e::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:f::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:40::/44
IRR Parent Valid
ZILLOW, INC. 1048576
2620:115:80::/48
IRR Valid
ZILLOW, INC. 65536
2620:115:82::/48
IRR Parent Valid
ZILLOW, INC. 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,558,784 17,986,617,344 IPv4 IPv4 IPv6 IPv6
AS35280 ACORUS - ACORUS NETWORKS SAS, FR France 48,384 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 6,144 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,857,728 21,743,796,224 IPv4 IPv4 IPv6 IPv6
AS40934 FORTINET - Fortinet Inc., US United States 28,160 458,752 IPv4 IPv4
AS50058 August-Internet - August Internet Limited, GB United Kingdom 4,864 281,512,289,239,040 IPv4 IPv4 IPv6 IPv6
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 130,816 4,294,967,296 IPv4 IPv4
AS57695 MISAKA - Misaka Network, Inc., US United States 6,912 44,111,888,384 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,236,096 228,846,075,904 IPv4 IPv4 IPv6 IPv6
AS3130 RGNET-SEA - RGnet OU, EE Estonia 1,536 65,536 IPv4 IPv4
AS11039 GWU - The George Washington University, US United States 131,072 537,001,984 IPv4 IPv4 IPv6 IPv6
AS25885 FORTINET - OPAQ Networks, Inc., US United States 5,888 262,144 IPv4 IPv4
AS1828 UNITAS - Unitas Global LLC, US United States 39,424 47,244,705,792 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 491,520 282,631,397,572,608 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,352,704 25,769,934,848 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - ANYCAST HOLDINGS PTY LTD, AU Australia 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS55818 MCIX-AS-AP - MC-IX Matrix Internet Exchange RS-1, ID Indonesia 14,848 131,072 IPv4 IPv4
AS6181 FUSE-NET - Cincinnati Bell Telephone Company LLC, US United States 703,744 73,014,444,032 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,250,304 25,770,721,280 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 51,200 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,808 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 22,016 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 222,464 38,923,141,120 IPv4 IPv4
AS16735 ALGAR TELECOM S/A, BR Brazil 546,560 17,179,869,184 IPv6 IPv6
AS7195 EDGEUNO SAS, CO Colombia 25,600 367,132,672 IPv4 IPv4 IPv6 IPv6
AS13786 SEABRAS-1 - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 4,549,120 39,652,818,944 IPv4 IPv4
AS59605 ZAINGP-AS - MENA LEVANT W.L.L, BH Bahrain 6,400 524,288 IPv4 IPv4
AS1798 OREGON - State of Oregon, US United States 219,392 12,901,679,104 IPv4 IPv4 IPv6 IPv6
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 396,544 12,901,941,248 IPv4 IPv4
AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US United States 12,599,808 863,288,819,712 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 88,064 90,112,000 IPv4 IPv4 IPv6 IPv6
AS262589 INTERNEXA BRASIL OPERADORA DE TELECOMUNICACOES S.A, BR Brazil 261,376 21,494,366,208 IPv4 IPv4
AS13760 UNITI-FIBER - Uniti Fiber Holdings Inc., US United States 122,624 8,858,435,584 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,819,528 73,033,652,224 IPv4 IPv4 IPv6 IPv6
AS8309 SIPARTECH - SIPARTECH SAS, FR France 41,216 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS16552 TIGGEE - Tiggee LLC, US United States 13,312 34,362,163,200 IPv4 IPv4 IPv6 IPv6
AS51999 WHITEHAT - WhiteHat Inc., RO Romania 2,048 536,870,912 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States SIX Seattle - Seattle Internet Exchange (MTU 1500) 206.81.81.202 2001:504:16::458:0:49c8 10 Gbps 2018-10-05 23:33:55
United States SIX Seattle - Seattle Internet Exchange (MTU 1500) 206.81.80.29 2001:504:16::49c8 10 Gbps 2018-10-05 23:33:59
United States Equinix Ashburn - Equinix Internet Exchange Ashburn 206.126.236.222 2001:504:0:2:0:1:8888:1 10 Gbps 2020-01-08 20:25:58

Private Peering Facilities

Country/Region Name City Website Updated
Westin Building Seattle Seattle https://www.westinbldg.com/ 2016-03-14 21:00:35
Equinix SE2/SE3 - Seattle Seattle https://www.equinix.com/locations/americas-colocation/united-states-colocation/seattle-data-centers/ 2018-10-05 23:29:17
Equinix DC1-DC15, DC21 - Ashburn Ashburn http://www.equinix.com/ 2020-01-07 19:50:32
IP Address Domain NUMs Domains
64.42.186.70 1 lnk-vpn.zillow.com
ASNumber:       18888
ASName:         AS-ZILLOW
ASHandle:       AS18888
RegDate:        2006-11-17
Updated:        2022-01-24    
Ref:            https://rdap.arin.net/registry/autnum/18888


OrgName:        ZILLOW, INC.
OrgId:          ZILLO
Address:        1301 Second Avenue, Floor 31
City:           Seattle
StateProv:      WA
PostalCode:     98101
Country:        US
RegDate:        2005-03-17
Updated:        2022-01-24
Comment:        http://www.zillow.com noc@zillow.com
Ref:            https://rdap.arin.net/registry/entity/ZILLO


OrgAbuseHandle: DBE78-ARIN
OrgAbuseName:   Beitel, David 
OrgAbusePhone:  +1-206-470-7105 
OrgAbuseEmail:  davebei@zillowgroup.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DBE78-ARIN

OrgTechHandle: DBE78-ARIN
OrgTechName:   Beitel, David 
OrgTechPhone:  +1-206-470-7105 
OrgTechEmail:  davebei@zillowgroup.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DBE78-ARIN

OrgAbuseHandle: AMESS44-ARIN
OrgAbuseName:   Ames, Scott 
OrgAbusePhone:  +1-206-591-0587 
OrgAbuseEmail:  scotta@zillowgroup.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AMESS44-ARIN

OrgTechHandle: AMESS44-ARIN
OrgTechName:   Ames, Scott 
OrgTechPhone:  +1-206-591-0587 
OrgTechEmail:  scotta@zillowgroup.com
OrgTechRef:    https://rdap.arin.net/registry/entity/AMESS44-ARIN

OrgAbuseHandle: WOM4-ARIN
OrgAbuseName:   Wynne Otter, Michelle 
OrgAbusePhone:  +1-206-757-4244 
OrgAbuseEmail:  michellew@zillowgroup.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WOM4-ARIN

OrgTechHandle: WOM4-ARIN
OrgTechName:   Wynne Otter, Michelle 
OrgTechPhone:  +1-206-757-4244 
OrgTechEmail:  michellew@zillowgroup.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WOM4-ARIN

OrgNOCHandle: ZILLO-ARIN
OrgNOCName:   Zillow NOC
OrgNOCPhone:  +1-206-470-7175 
OrgNOCEmail:  noc@zillow.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZILLO-ARIN

RAbuseHandle: KIBBE1-ARIN
RAbuseName:   Kibbey, Jeffrey 
RAbusePhone:  +1-206-757-4753 
RAbuseEmail:  JeffreyKi@ZillowGroup.com
RAbuseRef:    https://rdap.arin.net/registry/entity/KIBBE1-ARIN

RAbuseHandle: WOM4-ARIN
RAbuseName:   Wynne Otter, Michelle 
RAbusePhone:  +1-206-757-4244 
RAbuseEmail:  michellew@zillowgroup.com
RAbuseRef:    https://rdap.arin.net/registry/entity/WOM4-ARIN

RTechHandle: KIBBE1-ARIN
RTechName:   Kibbey, Jeffrey 
RTechPhone:  +1-206-757-4753 
RTechEmail:  JeffreyKi@ZillowGroup.com
RTechRef:    https://rdap.arin.net/registry/entity/KIBBE1-ARIN

RTechHandle: WOM4-ARIN
RTechName:   Wynne Otter, Michelle 
RTechPhone:  +1-206-757-4244 
RTechEmail:  michellew@zillowgroup.com
RTechRef:    https://rdap.arin.net/registry/entity/WOM4-ARIN

RAbuseHandle: AMESS44-ARIN
RAbuseName:   Ames, Scott 
RAbusePhone:  +1-206-591-0587 
RAbuseEmail:  scotta@zillowgroup.com
RAbuseRef:    https://rdap.arin.net/registry/entity/AMESS44-ARIN

RTechHandle: AMESS44-ARIN
RTechName:   Ames, Scott 
RTechPhone:  +1-206-591-0587 
RTechEmail:  scotta@zillowgroup.com
RTechRef:    https://rdap.arin.net/registry/entity/AMESS44-ARIN

RNOCHandle: ZILLO-ARIN
RNOCName:   Zillow NOC
RNOCPhone:  +1-206-470-7175 
RNOCEmail:  noc@zillow.com
RNOCRef:    https://rdap.arin.net/registry/entity/ZILLO-ARIN

RTechHandle: DBE78-ARIN
RTechName:   Beitel, David 
RTechPhone:  +1-206-470-7105 
RTechEmail:  davebei@zillowgroup.com
RTechRef:    https://rdap.arin.net/registry/entity/DBE78-ARIN