| AS | Description | Country/Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 | 
                
                
                
                
                    | AS6461 | ZAYO-6461 - Zayo Bandwidth, US |   | 1,662,208 | 17,717,133,312 | IPv4   |   | 
                
                
            
             
         
        
        
        
            
            
                
                
                    | AS | Description | Country/Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 | 
                
                
                
                
                    | AS23082 | MPHI - Michigan Public Health Institute, US |   | 512 | 0 | IPv4   |   | 
                    
                
                
                
                    | AS394573 | GSFCS - GreenStone Farm Credit Services, US |   | 256 | 0 | IPv4   |   | 
                    
                
                
                
                    | AS395614 | COL - City of Lansing, US |   | 256 | 0 | IPv4   |   | 
                    
                
            
             
         
        
        
    
            
                ASNumber:       22637
ASName:         C-R-T
ASHandle:       AS22637
RegDate:        2001-10-26
Updated:        2025-02-24    
Ref:            https://rdap.arin.net/registry/autnum/22637
OrgName:        Zayo Bandwidth
OrgId:          ZAYOB
Address:        1401 Wynkoop St.
Address:        #500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2007-10-12
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/ZAYOB
OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-866-236-2824 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN
OrgNOCHandle: ZIE-ARIN
OrgNOCName:   Zayo IP Engineering
OrgNOCPhone:  +1-866-236-2824 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN
OrgTechHandle: ZIE-ARIN
OrgTechName:   Zayo IP Engineering
OrgTechPhone:  +1-866-236-2824 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN