216.99.185.0/24

AS23503 · Exelon Corporation

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Summary

Country	United States
Domain	exeloncorp.com
ASN	AS23503
Parent Range	216.99.176.0/20
Registry	ARIN
ID	CONSTELLATION-ENERGY

WHOIS Details

NetHandle:      NET-216-99-176-0-1
OrgID:          EXELO
Parent:         NET-216-0-0-0-0
NetName:        CONSTELLATION-ENERGY
NetRange:       216.99.176.0 - 216.99.191.255
NetType:        allocation
RegDate:        2001-09-06
Updated:        2021-12-14
Source:         ARIN


OrgID:          EXELO
OrgName:        Exelon Corporation
CanAllocate:    
Street:         10 S Dearborn St
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60603
RegDate:        2002-09-12
Updated:        2019-02-26
OrgAdminHandle: NOC1756-ARIN
OrgTechHandle:  NOC1756-ARIN
OrgAbuseHandle: NOC1756-ARIN
OrgNOCHandle:   NOC1756-ARIN
Source:         ARIN


POCHandle:      NOC1756-ARIN
IsRole:         Y
LastName:       Network Operations Center
FirstName:      
Street:         523 E. Monument Street.
Street:         6th Floor
City:           Baltimore
State/Prov:     MD
Country:        US
PostalCode:     21202
RegDate:        2005-03-07
Updated:        2025-03-27
OfficePhone:    +1-410-470-1200
OfficePhone:    +1-888-232-4800
Mailbox:        netadmin2@exeloncorp.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 216.99.185.0/24

Range	ASN	Company	Num of IPs
216.99.176.0/20	AS23503	Exelon Corporation	4,096

Nearby Ranges

BGP prefixes that overlap with 216.99.0.0/16

Range	ASN	Company	Num of IPs
216.99.224.0/19	AS2828	Verizon Business	8,192
216.99.160.0/20	AS15042	Urban Communications, Inc.	4,096
216.99.112.0/20	AS33749	Focus Broadband	4,096
216.99.144.0/20	AS16509	Amazon.com, Inc.	4,096
216.99.48.0/20	AS36493	FIBERNETICS CORPORATION	4,096
216.99.176.0/20	AS23503	Exelon Corporation	4,096
216.99.16.0/21	AS394225	Grand Telephone Company, Inc.	2,048
216.99.216.0/23	AS10747	Epic Hosting, LLC	512
216.99.210.0/23	AS11765	Netsurion LLC	512
216.99.220.0/23	AS16509	International Payout Systems Inc	512
216.99.202.0/23	AS22297	Jelecos LLC	512
216.99.220.0/23	AS6939	International Payout Systems Inc	512
216.99.25.0/24	AS22808	Lion Resources, Inc.	256
216.99.24.0/24	AS22808	Lion Resources, INC.	256
216.99.0.0/24	AS29838	Lion Resources, INC.	256
216.99.223.0/24	AS21553	Aspirus, Inc.	256
216.99.198.0/24	AS16509	CAMPAIGN MONITOR PTY LTD	256
216.99.204.0/24	AS133873	CAMPAIGN MONITOR PTY LTD	256
216.99.200.0/24	AS395482	Welded Tube of Canada Corp.	256
216.99.218.0/24	AS395682	Mankin Media Systems, Inc	256
216.99.207.0/24	AS53557	Pittsburgh Penguins LP	256
216.99.201.0/24	AS55819	CAMPAIGN MONITOR PTY LTD	256
216.99.222.0/24	AS8619	Close Brothers Limited	256
216.99.206.0/24	AS7015	PSR, Inc	256
216.99.26.0/24	AS22808	Lion Resources, Inc.	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
216.99.185.42	AS23503 Exelon Corporation	`4.15ms` from Ashburn, 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
99.170.228.232	AS7018 AT&T Enterprises, LLC	`17.98ms` from Atlanta, US
87.142.78.232	AS3320 Deutsche Telekom AG	`3.55ms` from Berlin, DE
24.152.75.248	AS270486 NETWORKS INFORMATICA	`4.33ms` from Brasilia, BR
20.254.170.120	AS8075 Microsoft Corporation	`0.14ms` from Cardiff, GB
99.132.230.88	AS7018 AT&T Enterprises, LLC	`15.43ms` from Chicago, US
98.214.204.8	AS7922 Comcast Cable Communications, LLC	`10.50ms` from Chicago, US
34.249.157.104	AS16509 Amazon.com, Inc.	`0.21ms` from Dublin, IE
102.117.40.120	AS23889 Mauritius Telecom Ltd	`1.72ms` from Ebene, MU
197.90.134.8	AS20011 Dimension Data	`1.07ms` from Johannesburg, ZA
35.179.2.88	AS16509 Amazon.com, Inc.	`0.17ms` from London, GB
79.9.172.184	AS3269 Telecom Italia S.p.A.	`3.58ms` from Milan, IT
128.101.161.104	AS217 University of Minnesota	`0.53ms` from Minneapolis, US
39.85.8.72	AS4837 CHINA UNICOM China169 Backbone	`6.05ms` from Qingdao, CN
20.81.239.184	AS8075 Microsoft Corporation	`0.70ms` from Boydton, US
3.249.15.152	AS16509 Amazon.com, Inc.	`0.20ms` from Dublin, IE
3.174.35.232	AS16509 Amazon.com, Inc.	`0.11ms` from Fortaleza, BR
86.219.199.200	AS3215 Orange S.A.	`12.31ms` from Frankfurt am Main, DE
81.71.103.184	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.01ms` from Guangzhou, CN
107.196.27.24	AS7018 AT&T Enterprises, LLC	`3.86ms` from Houston, US
123.213.224.24	AS9318 SK Broadband Co Ltd	`4.89ms` from Incheon, KR
2.126.8.88	AS5607 Sky UK Limited	`11.35ms` from London, GB
47.138.81.248	AS5650 Frontier Communications of America, Inc.	`8.58ms` from Los Angeles, US
12.31.179.72	AS7018 AT&T Enterprises, LLC	`2.84ms` from Los Angeles, US
42.201.71.120	AS137735 China Construction Bank	`11.71ms` from Nanjing, CN
68.0.130.136	AS22773 Cox Communications Inc.	`1.73ms` from Phoenix, US

Traceroute

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

traceroute -a -n -q1 -f4 216.99.185.1

traceroute to 216.99.185.1 (216.99.185.1): 64 hops max, 52 byte packets

4 [AS36236] 104.225.114.84 0.599 ms

5 *

6 *

7 [] 140.222.9.35 2.065 ms

8 [AS701] 152.193.112.182 15.984 ms

9 *

10 *

11 [AS701] 157.130.45.50 6.412 ms

12 [AS23503] 216.99.185.1 4.814 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On January 18th 2026

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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