AS19721


123+452undefined

AS Name: MHN

Description: Magellan Health Services (MHS-54)

Registry: RADB

aut-num: AS19721
as-name: MHN
descr: Magellan Health Services (MHS-54)
admin-c: STLNE-ARIN
tech-c: STLNE-ARIN
notify: stlnetengineering@magellanhealth.com
mnt-by: MAINT-AS17378
changed: michael.pham@tierpoint.com 20190807 #21:10:10Z
source: RADB
last-modified: 2023-11-13T16:17:09Z

Upstream AS Paths

40 unique paths, avg length 2.6

AS19721AS33659AS33287AS3356AS955AS199524AS7594AS32590AS4826AS19653AS41811AS6762AS6453AS25091AS209823AS49544AS3491AS9304AS142271AS19721 Upstream Paths20 paths shown

AS Looking Glass

Upstream paths (matching graph above)

AS955AS3356AS19721
AS3491AS3356AS19721
AS4826AS3356AS19721
AS142271AS9304AS6453AS3356AS19721
AS142271AS9304AS6762AS3356AS19721
AS7594AS3356AS19721
AS25091AS3356AS19721
AS32590AS3356AS19721
AS49544AS3356AS19721
AS199524AS3356AS19721
AS209823AS3356AS19721
AS25091AS3356AS33287AS19721
AS209823AS3356AS33287AS19721
AS955AS3356AS33659AS19721
AS4826AS3356AS33659AS19721
AS7594AS3356AS33659AS19721
AS19653AS3356AS33659AS19721
AS32590AS3356AS33659AS19721
AS41811AS3356AS33659AS19721
AS199524AS3356AS33659AS19721
All 40 Upstream Paths

Complete list of all observed paths

AS955AS3356AS19721
AS1299AS3356AS19721
AS2497AS3356AS19721
AS3491AS3356AS19721
AS4826AS3356AS19721
AS142271AS9304AS6453AS3356AS19721
AS142271AS9304AS6762AS3356AS19721
AS6830AS3356AS19721
AS6939AS3356AS19721
AS7018AS3356AS19721
AS7594AS3356AS19721
AS14537AS3356AS19721
AS14630AS3356AS19721
AS19653AS3356AS19721
AS25091AS3356AS19721
AS32590AS3356AS19721
AS37271AS3356AS19721
AS46450AS3356AS19721
AS49544AS3356AS19721
AS34927AS60011AS3356AS19721
AS199524AS3356AS19721
AS209823AS3356AS19721
AS25091AS3356AS33287AS19721
AS209823AS3356AS33287AS19721
AS1299AS7922AS33287AS19721
AS4181AS1299AS7922AS33287AS19721
AS7500AS2516AS7922AS33287AS19721
AS2914AS7922AS33287AS19721
AS3491AS7922AS33287AS19721
AS6830AS7922AS33287AS19721
AS142271AS9304AS7922AS33287AS19721
AS49544AS7922AS33287AS19721
AS955AS3356AS33659AS19721
AS4826AS3356AS33659AS19721
AS7594AS3356AS33659AS19721
AS19653AS3356AS33659AS19721
AS32590AS3356AS33659AS19721
AS41811AS3356AS33659AS19721
AS199524AS3356AS33659AS19721
AS4826AS49915AS19721

Hostnames in AS19721

Direct Membership

Macros that directly list AS19721 as a member:


AS-AXNE(36 members)
AS49915:AS-CUSTOMERS(159 members)
AS-COMCAST-EDIA(2333 members)

Expanded Membership

All macros containing AS19721 (directly or via nested macros): 313

Show 100 macros
AS-AXNE(36 ASNs)
AS49915:AS-CUSTOMERS(230 ASNs)
AS49915:AS-MEGAPORT(231 ASNs)
AS9033:AS-MEGAPORT-RS-MAD(232 ASNs)
AS9033:AS-MEGAPORT-RS-MIL(232 ASNs)
AS9033:AS-MEGAPORT-RS-DUB(232 ASNs)
AS13329:AS-ALL(272 ASNs)
AS-TIERPOINT(371 ASNs)
AS-SDN-IPV6-CUST-AS(386 ASNs)
AS-SDN-CUSTOMER-AS(427 ASNs)
AS-13576-SDN-PEERS(429 ASNs)
AS2764:AS-BGP-CUSTS(970 ASNs)
AS2764:AS-ALLCUST(1,020 ASNs)
AS7545:AS-TPGN-CUSTOMERS(1,566 ASNs)
AS-WINDSTREAM-IRRCUST(2,025 ASNs)
AS-TPG(2,559 ASNs)
AS-COMCAST-EDIA(2,771 ASNs)
AS4826:AS-CUSTOMERS(3,766 ASNs)
AS-VOCUS(3,767 ASNs)
AS4826:AS-VOCUS(3,767 ASNs)
AS-F5(3,824 ASNs)
AS35280:AS-F5(3,830 ASNs)
AS-ACORUS(3,961 ASNs)
AS-BEZEQINT(3,973 ASNs)
AS-WINDSTREAM(4,180 ASNs)
AS7606:AS-SA-IX(4,843 ASNs)
AS2914:AS-SA-V6(14,359 ASNs)
AS2914:AS-SA(14,363 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-XO(23,361 ASNs)
AS-FLAGP(25,034 ASNs)
AS-FLAGT(25,034 ASNs)
AS-RETN-HK(26,343 ASNs)
AS7606:AS-VIC-IX(29,635 ASNs)
AS55176:AS-MEMBERS(29,827 ASNs)
AS-DECIX-ORD-V6(31,479 ASNs)
AS62760:AS-DECIX-ORD-V6(31,479 ASNs)
AS-DECIX-LIS-V6(32,541 ASNs)
AS43729:AS-DECIX-LIS-V6(32,541 ASNs)
AS-KCIX-MEMBERS(32,832 ASNs)
AS-DECIX-ASE(34,557 ASNs)
AS38137:AS-DECIX-ASE(34,557 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-EQUINIX-PA(34,681 ASNs)
AS-DECIX-LIS(34,749 ASNs)
AS43729:AS-DECIX-LIS(34,749 ASNs)
AS30781:AS-JAGUAR-PEERING-EQUINIX-PA(37,230 ASNs)
AS-TORIX(37,868 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS7606:AS-QLD-IX(40,666 ASNs)
AS7606:AS-WA-IX(40,872 ASNs)
AS-STUIX(41,458 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS-RETN6(44,950 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-INTELSATUS(46,298 ASNs)
AS7606:AS-NSW-IX(46,591 ASNs)
AS-DIGICOMMPS(46,931 ASNs)
AS-BROADNETIL(46,931 ASNs)
AS7606:AS-ALL(47,090 ASNs)
AS-RETN(47,667 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TELIANETRU(56,840 ASNs)
AS1299:AS-TWELVE99-RU-V4(56,840 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
AS-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-CAIS(61,483 ASNs)
AS213687:AS-ERA-IX-FRANKFURT(61,777 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS206221:AS-ERA-IX-AMSTERDAM(65,700 ASNs)
AS-ERA-IX(65,707 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 ASNs)
AS-CW6(66,853 ASNs)
AS1273:AS-CWW-V6(66,853 ASNs)
AS201561:AS-DECIX-CPH(66,988 ASNs)
AS201561:AS-DECIX-CPH-V6(66,988 ASNs)
... and 213 more