209.242.170.0/24

AS33051 · SAN YSIDRO SCHOOL DISTRICT

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Summary

Country	United States
Domain	sysd.k12.ca.us
ASN	AS33051
Registry	ARIN
ID	SAN-YSIDRO-SD-COXSD01

WHOIS Details

NetHandle:      NET-209-242-170-0-1
OrgID:          C01124857
Parent:         NET-209-242-128-0-1
NetName:        SAN-YSIDRO-SD-COXSD01
NetRange:       209.242.170.0 - 209.242.170.255
NetType:        reassignment
RegDate:        2005-06-29
Updated:        2005-06-29
Source:         ARIN


OrgID:          C01124857
OrgName:        SAN YSIDRO SCHOOL DISTRICT
CanAllocate:    
Street:         4350 OTAY MESA ROAD
City:           SAN YSIDRO
State/Prov:     CA
Country:        US
PostalCode:     92173
RegDate:        2005-06-29
Updated:        2011-03-19
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 209.242.0.0/16

Range	ASN	Company	Num of IPs
209.242.64.0/18	AS62	CyrusOne LLC	16,384
209.242.0.0/18	AS13950	DLS Internet Services, Inc	16,384
209.242.0.0/18	AS10692	DLS Internet Services, Inc	16,384
209.242.0.0/18	AS400921	DLS Internet Services, Inc	16,384
209.242.176.0/20	AS46792	Paragould Municipal Utilities	4,096
209.242.224.0/20	AS26785	Netwurx LLC	4,096
209.242.156.0/23	AS46268	San Diego Padres	512
209.242.69.0/24	AS26646	Travel Click	256
209.242.70.0/24	AS26646	TravelCLICK Inc.	256
209.242.77.0/24	AS26646	TravelCLICK Inc.	256
209.242.94.0/24	AS36328	CalTech	256
209.242.74.0/24	AS62	UniRush LLC	256
209.242.137.0/24	AS63182	California Western School of Law	256
209.242.39.0/24	AS10692	REALNETS / Chicago COLO	256
209.242.50.0/24	AS10692	Hodgson Consulting / CHI COL	256
209.242.217.0/24	AS203020	Private Customer	256
209.242.218.0/24	AS203020	Estrada Nacional	256
209.242.221.0/24	AS203020	NOC	256
209.242.128.0/24	AS22773	Cox Communications	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

2 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
209.242.170.222	AS33051 SAN YSIDRO SCHOOL DISTRICT	`5.50ms` from Los Angeles, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
3.217.150.40	AS14618 Amazon.com, Inc.	`0.53ms` from Ashburn, US
52.23.112.168	AS14618 Amazon.com, Inc.	`0.53ms` from Ashburn, US
69.243.71.72	AS7922 Comcast Cable Communications, LLC	`4.68ms` from Ashburn, US
217.113.117.8	AS8416 InfoLada Ltd	`15.39ms` from Chelyabinsk, RU
52.212.127.24	AS16509 Amazon.com, Inc.	`0.28ms` from Dublin, IE
185.218.193.184	AS207003 Web1 Oy	`2.73ms` from Helsinki, FI
37.229.143.56	AS15895 "Kyivstar" PJSC	`8.60ms` from Kyiv, UA
217.42.50.216	AS2856 British Telecommunications PLC	`7.40ms` from London, GB
50.158.218.104	AS22773 Cox Communications Inc.	`9.67ms` from Los Angeles, US
109.115.188.88	AS30722 Vodafone Italia S.p.A.	`2.09ms` from Milan, IT
202.164.22.232	AS58740 HostAway Pty Ltd	`0.43ms` from Perth, AU
201.110.242.72	AS8151 UNINET	`3.31ms` from Santiago de Queretaro, MX
65.87.41.232	AS23155 HARRISONVILLE TELEPHONE	`2.09ms` from St. Louis, US
118.213.198.56	AS140061 Qinghai Telecom	`13.20ms` from Xining, CN
66.61.68.40	AS10796 Charter Communications Inc	`11.76ms` from Ashburn, US
71.120.252.232	AS701 Verizon Business	`9.65ms` from Ashburn, US
169.153.19.24	AS7867 TECH DATA CORPORATION	`11.80ms` from Atlanta, US
78.166.115.136	AS9121 Turk Telekomunikasyon Anonim Sirketi	`16.01ms` from Istanbul, TR
195.53.237.200	AS3352 TELEFONICA DE ESPANA S.A.U.	`0.91ms` from Madrid, ES
201.152.154.88	AS8151 UNINET	`7.32ms` from Monterrey, MX
5.138.83.104	AS12389 PJSC Rostelecom	`17.83ms` from Moscow, RU
112.82.114.72	AS4837 CHINA UNICOM China169 Backbone	`8.05ms` from Nanjing, CN
191.178.225.136	AS28573 Claro NXT Telecomunicacoes Ltda	`6.46ms` from Osasco, BR
45.142.119.104	AS60781 LeaseWeb Netherlands B.V.	`0.28ms` from Amsterdam, NL
13.221.55.56	AS14618 Amazon.com, Inc.	`0.70ms` from Ashburn, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f2 209.242.170.222

traceroute to 209.242.170.222 (209.242.170.222): 64 hops max, 52 byte packets

2 [] 84.17.33.142 298.119 ms

3 [] 138.199.0.107 0.213 ms

4 *

5 [AS22773] 68.1.0.205 4.24 ms

6 *

7 [AS22773] 98.174.128.75 5.293 ms

8 *

9 [AS33051] 209.242.170.222 6.571 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On December 29th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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