IPv4 R&E Routing Table Report 20:30 GMT Fri 09 May, 2025 IPv4 BGP Table (R&E) as seen at PREGINET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/PREGINET/ Analysis Summary ---------------- BGP routing table entries examined: 158227 Prefixes after maximum aggregation (per Origin AS): 62525 Deaggregation factor: 2.53 Unique aggregates announced (without unneeded subnets): 89393 Number of IPv4 prefixes with a valid ROA: 87076 Number of IPv4 prefixes with an invalid ROA: 88 Number of IPv4 prefixes with no ROA: 71063 Total ASes present in the Internet Routing Table: 14529 Prefixes per ASN: 10.89 Origin-only ASes present in the Internet Routing Table: 12289 Origin ASes announcing only one prefix: 5955 Transit ASes present in the Internet Routing Table: 2240 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 45 Max AS path prepend of ASN (212940) 40 Prefixes from unregistered ASNs in the Routing Table: 83 Number of instances of unregistered ASNs: 84 Number of 32-bit ASNs allocated by the RIRs: 46373 Number of 32-bit ASNs visible in the Routing Table: 7176 Prefixes from 32-bit ASNs in the Routing Table: 29143 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 66 Number of addresses announced to Internet: 504930304 Equivalent to 30 /8s, 24 /16s and 160 /24s Percentage of available address space announced: 13.6 Percentage of allocated address space announced: 13.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 38764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 77883 Total APNIC prefixes after maximum aggregation: 24855 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 76217 Unique aggregates announced from the APNIC address blocks: 36542 APNIC Region origin ASes present in the Internet Routing Table: 4960 APNIC Prefixes per ASN: 15.37 APNIC Region origin ASes announcing only one prefix: 1850 APNIC Region transit ASes present in the Internet Routing Table: 728 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3189 Number of APNIC addresses announced to Internet: 188513792 Equivalent to 11 /8s, 60 /16s and 126 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 26843 Total ARIN prefixes after maximum aggregation: 14478 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26404 Unique aggregates announced from the ARIN address blocks: 20263 ARIN Region origin ASes present in the Internet Routing Table: 2093 ARIN Prefixes per ASN: 12.62 ARIN Region origin ASes announcing only one prefix: 990 ARIN Region transit ASes present in the Internet Routing Table: 218 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 463 Number of ARIN addresses announced to Internet: 167489536 Equivalent to 9 /8s, 251 /16s and 176 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 39434 Total RIPE prefixes after maximum aggregation: 18328 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40330 Unique aggregates announced from the RIPE address blocks: 25112 RIPE Region origin ASes present in the Internet Routing Table: 4615 RIPE Prefixes per ASN: 8.74 RIPE Region origin ASes announcing only one prefix: 2141 RIPE Region transit ASes present in the Internet Routing Table: 669 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1609 Number of RIPE addresses announced to Internet: 124673792 Equivalent to 7 /8s, 110 /16s and 95 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 12471 Total LACNIC prefixes after maximum aggregation: 4445 LACNIC Deaggregation factor: 2.81 Prefixes being announced from the LACNIC address blocks: 11897 Unique aggregates announced from the LACNIC address blocks: 5811 LACNIC Region origin ASes present in the Internet Routing Table: 2230 LACNIC Prefixes per ASN: 5.33 LACNIC Region origin ASes announcing only one prefix: 934 LACNIC Region transit ASes present in the Internet Routing Table: 487 Average LACNIC Region AS path length visible: 7.4 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1865 Number of LACNIC addresses announced to Internet: 18364416 Equivalent to 1 /8s, 24 /16s and 56 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1513 Total AfriNIC prefixes after maximum aggregation: 357 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 3313 Unique aggregates announced from the AfriNIC address blocks: 1631 AfriNIC Region origin ASes present in the Internet Routing Table: 99 AfriNIC Prefixes per ASN: 33.46 AfriNIC Region origin ASes announcing only one prefix: 40 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 7.1 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 50 Number of AfriNIC addresses announced to Internet: 5857536 Equivalent to 0 /8s, 89 /16s and 97 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10618 8756 95 CHINAMOBILE-CN China Mobile Communication 9498 4210 500 289 BBIL-AP BHARTI Airtel Ltd., IN 24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 7552 2244 1083 461 VIETEL-AS-AP Viettel Group, VN 4766 2018 6034 954 KIXS-AS-KR Korea Telecom, KR 45609 1849 826 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56046 1708 812 180 CMNET-JIANGSU-AP China Mobile communicati 56041 1575 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication 9919 970 170 64 NCIC-TW New Century InfoComm Tech Co., Lt Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 30036 2406 333 680 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2237 3628 1281 AMAZON-02, US 20115 2236 3097 514 CHARTER-20115, US 11492 1925 134 1046 CABLEONE, US 714 1237 4391 8 APPLE-ENGINEERING, US 8075 744 16019 629 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1912 301 TWC-10796-MIDWEST, US 12083 577 192 88 WOW-INTERNET, US 2152 396 44 265 CENIC-2152, US 33363 386 1422 213 BHN-33363, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4179 255 52 ALJAWWALSTC-AS, SA 12389 2305 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical 25019 916 639 329 SAUDINETSTC-AS, SA 49505 860 92 356 SELECTEL, RU 9123 628 39 281 TIMEWEB-AS, RU 50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 481 180 178 KAZTELECOM-AS, KZ 9155 426 37 9 QNET Kuwait, KW 21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan 42772 373 63 104 A1-BY-AS, BY Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1840 674 240 UNINET, MX 7738 592 1767 64 V tal, BR 8167 342 1089 44 V tal, BR 1916 240 177 40 Rede Nacional de Ensino e Pesquisa, BR 28201 217 16 28 Companhia Itabirana Telecomunicacoes Ltda 27775 183 18 9 Telecommunicationcompany Suriname - TeleS 28391 159 10 71 Universidad Juarez Autonoma de Tabasco, M 271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 11014 128 10 26 CPS, AR 19089 107 18 45 Scala Data Centers, BR Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 547 82 3 KENET-AS, KE 2018 373 318 69 TENET-1, ZA 30999 74 25 32 EMTEL-AS-AP, MU 15399 71 6 26 WANANCHI-, KE 23889 49 27 29 MauritiusTelecom, MU 8094 47 48 18 PUKNET, ZA 37215 34 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 327885 21 4 2 Viettel-Tanzania, TZ 328543 20 5 5 sun-asn, SC Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10618 8756 95 CHINAMOBILE-CN China Mobile Communication 9498 4210 500 289 BBIL-AP BHARTI Airtel Ltd., IN 39891 4179 255 52 ALJAWWALSTC-AS, SA 24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2406 333 680 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 2305 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical 7552 2244 1083 461 VIETEL-AS-AP Viettel Group, VN 16509 2237 3628 1281 AMAZON-02, US 20115 2236 3097 514 CHARTER-20115, US 4766 2018 6034 954 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 39891 4179 4127 ALJAWWALSTC-AS, SA 9498 4210 3921 BBIL-AP BHARTI Airtel Ltd., IN 24560 2863 2330 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 7552 2244 1783 VIETEL-AS-AP Viettel Group, VN 30036 2406 1726 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2236 1722 CHARTER-20115, US 8151 1840 1600 UNINET, MX 45609 1849 1528 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56046 1708 1528 CMNET-JIANGSU-AP China Mobile communications co 12389 2305 1526 ROSTELECOM-AS PJSC Rostelecom. Technical Team, Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 393377 UNALLOCATED 12.195.116.0/24 40264 TWC-40264-WI-MN-UPPERMI 202528 UNALLOCATED 23.143.136.0/24 153371 BACKWAVESLIMITED-AS-AP 46123 UNALLOCATED 24.73.234.0/24 33363 BHN-33363, US 53771 UNALLOCATED 24.172.253.0/24 11426 TWC-11426-CAROLINAS, US 53657 UNALLOCATED 24.213.247.0/24 11351 TWC-11351-NORTHEAST, US 11835 UNALLOCATED 45.4.236.0/22 14868 Ligga Telecomunicacoes 268652 UNALLOCATED 45.165.20.0/22 264493 UNASSIGNED 36288 UNALLOCATED 64.79.154.0/24 293 ESNET, US 40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 103.5.136.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP 103.5.136.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP 103.6.224.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP 103.6.224.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP 103.8.106.0/24 Origin: 135391 AOFEI-HK AOFEI DATA INTERNATIONAL COMPAN 103.8.106.0/24 Transit: 55888 NINTATSU Nintatsu Global Telecommunicati 103.12.68.0/22 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite 103.12.68.0/22 Transit: 17476 CHL-AS-AP CloudRadium HK Limited, HK 103.12.68.0/24 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite 103.12.68.0/24 Transit: 17476 CHL-AS-AP CloudRadium HK Limited, HK Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:1 /9:2 /10:13 /11:13 /12:47 /13:82 /14:167 /15:397 /16:2480 /17:1329 /18:2804 /19:4409 /20:7551 /21:9479 /22:17249 /23:16392 /24:95811 /25:1 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3321 4179 ALJAWWALSTC-AS, SA 30036 2090 2406 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1401 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1326 1925 CABLEONE, US 8151 1015 1840 UNINET, MX 49505 596 860 SELECTEL, RU 20115 552 2236 CHARTER-20115, US 36914 523 547 KENET-AS, KE 50010 514 616 NAWRAS-AS Sultanate of Oman, OM 9123 510 628 TIMEWEB-AS, RU Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:163 2:321 3:103 5:1093 8:65 12:81 13:89 14:365 15:59 16:63 17:322 18:74 20:28 23:713 24:597 25:2 27:625 31:528 32:2 34:3 35:37 36:1678 37:640 38:500 39:702 40:1 41:242 42:135 43:664 44:22 45:2330 46:788 47:63 49:205 50:319 51:138 52:258 54:62 57:28 58:297 59:452 60:95 61:769 62:552 63:126 64:373 65:286 66:296 67:311 68:71 69:256 70:32 71:84 72:247 74:195 75:66 76:62 77:487 78:451 79:239 80:225 81:340 82:354 83:189 84:184 85:371 86:114 87:313 88:100 89:466 90:133 91:1393 92:449 93:937 94:783 95:1471 96:266 97:146 98:68 99:47 101:450 102:119 103:7888 104:362 105:9 106:288 107:106 108:145 109:465 110:229 111:2127 112:934 113:300 114:817 115:308 116:408 117:1397 118:361 119:259 120:1256 121:416 122:1708 123:388 124:328 125:1583 126:6 128:382 129:66 130:122 131:208 132:53 133:303 134:160 135:20 136:79 137:166 138:321 139:224 140:317 141:184 142:76 143:161 144:118 145:135 146:370 147:256 148:353 149:198 150:257 151:518 152:454 153:37 154:920 155:189 156:444 157:285 158:126 159:393 160:663 161:143 162:265 163:300 164:143 165:217 166:44 167:192 168:335 169:70 170:469 171:189 172:215 173:968 174:115 175:555 176:722 177:502 178:681 179:182 180:473 181:135 182:1608 183:1086 184:138 185:2233 186:220 187:473 188:592 189:296 190:572 191:90 192:1797 193:1131 194:916 195:768 196:289 197:368 198:760 199:554 200:822 201:512 202:2455 203:2232 204:284 205:264 206:298 207:306 208:241 209:307 210:1460 211:1144 212:761 213:514 214:2 216:367 217:561 218:803 219:61 220:568 221:389 222:134 223:1101 End of report