IPv4 R&E Routing Table Report 20:30 GMT Sat 15 Feb, 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: 158002 Prefixes after maximum aggregation (per Origin AS): 63559 Deaggregation factor: 2.49 Unique aggregates announced (without unneeded subnets): 89716 Number of IPv4 prefixes with a valid ROA: 84577 Number of IPv4 prefixes with an invalid ROA: 59 Number of IPv4 prefixes with no ROA: 73366 Total ASes present in the Internet Routing Table: 14601 Prefixes per ASN: 10.82 Origin-only ASes present in the Internet Routing Table: 12320 Origin ASes announcing only one prefix: 5920 Transit ASes present in the Internet Routing Table: 2281 Transit-only ASes present in the Internet Routing Table: 521 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 40 Max AS path prepend of ASN ( 37447) 36 Prefixes from unregistered ASNs in the Routing Table: 58 Number of instances of unregistered ASNs: 75 Number of 32-bit ASNs allocated by the RIRs: 46137 Number of 32-bit ASNs visible in the Routing Table: 7156 Prefixes from 32-bit ASNs in the Routing Table: 29305 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 41 Number of addresses announced to Internet: 512952576 Equivalent to 30 /8s, 147 /16s and 9 /24s Percentage of available address space announced: 13.9 Percentage of allocated address space announced: 13.9 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: 39144 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75607 Total APNIC prefixes after maximum aggregation: 25222 APNIC Deaggregation factor: 3.00 Prefixes being announced from the APNIC address blocks: 74087 Unique aggregates announced from the APNIC address blocks: 35862 APNIC Region origin ASes present in the Internet Routing Table: 4811 APNIC Prefixes per ASN: 15.40 APNIC Region origin ASes announcing only one prefix: 1758 APNIC Region transit ASes present in the Internet Routing Table: 715 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3054 Number of APNIC addresses announced to Internet: 190738688 Equivalent to 11 /8s, 94 /16s and 113 /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: 26777 Total ARIN prefixes after maximum aggregation: 14467 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26069 Unique aggregates announced from the ARIN address blocks: 20551 ARIN Region origin ASes present in the Internet Routing Table: 2129 ARIN Prefixes per ASN: 12.24 ARIN Region origin ASes announcing only one prefix: 1015 ARIN Region transit ASes present in the Internet Routing Table: 231 Average ARIN Region AS path length visible: 5.1 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: 163983104 Equivalent to 9 /8s, 198 /16s and 47 /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: 40330 Total RIPE prefixes after maximum aggregation: 18732 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40847 Unique aggregates announced from the RIPE address blocks: 24952 RIPE Region origin ASes present in the Internet Routing Table: 4664 RIPE Prefixes per ASN: 8.76 RIPE Region origin ASes announcing only one prefix: 2158 RIPE Region transit ASes present in the Internet Routing Table: 680 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1617 Number of RIPE addresses announced to Internet: 126391552 Equivalent to 7 /8s, 136 /16s and 149 /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: 13396 Total LACNIC prefixes after maximum aggregation: 4637 LACNIC Deaggregation factor: 2.89 Prefixes being announced from the LACNIC address blocks: 13399 Unique aggregates announced from the LACNIC address blocks: 6362 LACNIC Region origin ASes present in the Internet Routing Table: 2335 LACNIC Prefixes per ASN: 5.74 LACNIC Region origin ASes announcing only one prefix: 950 LACNIC Region transit ASes present in the Internet Routing Table: 516 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1962 Number of LACNIC addresses announced to Internet: 25357824 Equivalent to 1 /8s, 130 /16s and 238 /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: 1834 Total AfriNIC prefixes after maximum aggregation: 454 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 3559 Unique aggregates announced from the AfriNIC address blocks: 1956 AfriNIC Region origin ASes present in the Internet Routing Table: 119 AfriNIC Prefixes per ASN: 29.91 AfriNIC Region origin ASes announcing only one prefix: 39 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 7.6 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 60 Number of AfriNIC addresses announced to Internet: 6454528 Equivalent to 0 /8s, 98 /16s and 125 /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 10158 8753 87 CHINAMOBILE-CN China Mobile Communication 9498 4155 497 265 BBIL-AP BHARTI Airtel Ltd., IN 24560 2833 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45609 1794 811 334 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56046 1580 804 173 CMNET-JIANGSU-AP China Mobile communicati 56041 1544 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 4766 1525 6103 883 KIXS-AS-KR Korea Telecom, KR 56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication 7552 1423 606 469 VIETEL-AS-AP Viettel Group, VN 9919 961 170 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 2431 341 608 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 3095 505 CHARTER-20115, US 16509 2178 3518 1251 AMAZON-02, US 11492 1897 131 1025 CABLEONE, US 714 1207 4391 8 APPLE-ENGINEERING, US 8075 712 16017 603 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 645 1950 304 TWC-10796-MIDWEST, US 12083 444 191 84 WOW-INTERNET, US 2152 385 39 261 CENIC-2152, US 33363 383 1416 210 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 2214 1997 787 ROSTELECOM-AS, RU 9198 1041 355 113 KAZTELECOM-AS, KZ 49505 854 92 355 SELECTEL, RU 25019 764 643 295 SAUDINETSTC-AS, SA 50010 661 76 11 NAWRAS-AS Sultanate of Oman, OM 9123 574 36 254 TIMEWEB-AS, RU 9155 431 37 9 QNET Kuwait, KW 42772 374 63 104 A1-BY-AS, BY 20940 352 3388 44 AKAMAI-ASN1, NL 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 2565 811 382 UNINET, MX 7738 605 1807 67 V tal, BR 8167 318 1083 46 V tal, BR 1916 235 178 41 Rede Nacional de Ensino e Pesquisa, BR 28201 218 16 28 Companhia Itabirana Telecomunicacoes Ltda 28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M 52251 139 6 9 NORTECH, AR 11014 132 10 26 CPS, AR 271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 11340 108 9 52 Red Universitaria Nacional, CL 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 470 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 36873 198 83 44 VNL1-AS, NG 15399 99 30 16 WANANCHI-, KE 37075 78 248 27 ZAINUGAS, UG 30999 74 25 33 EMTEL-AS-AP, MU 8094 47 48 18 PUKNET, ZA 37315 46 10 5 CipherWave, ZA 37182 36 8 1 TERNET, TZ 37215 34 8 1 MAREN, MW 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 10158 8753 87 CHINAMOBILE-CN China Mobile Communication 39891 4179 255 52 ALJAWWALSTC-AS, SA 9498 4155 497 265 BBIL-AP BHARTI Airtel Ltd., IN 24560 2833 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 8151 2565 811 382 UNINET, MX 30036 2431 341 608 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 3095 505 CHARTER-20115, US 12389 2214 1997 787 ROSTELECOM-AS, RU 16509 2178 3518 1251 AMAZON-02, US 11492 1897 131 1025 CABLEONE, US 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 4155 3890 BBIL-AP BHARTI Airtel Ltd., IN 24560 2833 2298 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 8151 2565 2183 UNINET, MX 30036 2431 1823 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 1727 CHARTER-20115, US 56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c 45609 1794 1460 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp 12389 2214 1427 ROSTELECOM-AS, RU 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 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 267285 UNALLOCATED 45.232.247.0/24 263025 ISPTEC Sistemas de Comu 40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US 396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, US 26345 UNALLOCATED 71.13.182.0/24 20115 CHARTER-20115, 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: 51847 NEAROUTE, 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 /12:48 /13:79 /14:166 /15:400 /16:2539 /17:1381 /18:2822 /19:4429 /20:7734 /21:9487 /22:17099 /23:16292 /24:95496 /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 2115 2431 MEDIACOM-ENTERPRISE-BUSINESS, US 8151 1364 2565 UNINET, MX 11492 1336 1897 CABLEONE, US 12389 1320 2214 ROSTELECOM-AS, RU 9198 613 1041 KAZTELECOM-AS, KZ 49505 590 854 SELECTEL, RU 20115 548 2232 CHARTER-20115, US 50010 548 661 NAWRAS-AS Sultanate of Oman, OM 16509 479 2178 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:251 2:314 3:95 5:1065 6:4 8:59 12:82 13:86 14:365 15:57 16:57 17:309 18:76 20:23 23:730 24:504 25:2 27:588 31:528 32:2 34:3 35:37 36:1364 37:577 38:499 39:688 40:1 41:233 42:166 43:636 44:17 45:2373 46:751 47:63 49:256 50:324 51:138 52:258 54:41 57:28 58:293 59:426 60:95 61:784 62:577 63:131 64:387 65:176 66:307 67:316 68:68 69:250 70:31 71:79 72:243 74:204 75:63 76:55 77:466 78:442 79:235 80:246 81:349 82:356 83:184 84:177 85:324 86:135 87:304 88:97 89:510 90:131 91:1407 92:437 93:930 94:684 95:1466 96:273 97:146 98:77 99:47 101:504 102:127 103:7790 104:391 105:181 106:288 107:111 108:138 109:408 110:213 111:2109 112:902 113:355 114:791 115:261 116:356 117:1360 118:374 119:296 120:1228 121:406 122:1781 123:476 124:315 125:1590 126:1 128:390 129:58 130:122 131:187 132:44 133:303 134:161 135:25 136:81 137:157 138:330 139:233 140:315 141:199 142:92 143:156 144:115 145:96 146:378 147:250 148:369 149:238 150:268 151:493 152:461 153:36 154:922 155:167 156:493 157:270 158:128 159:389 160:615 161:143 162:261 163:252 164:145 165:212 166:62 167:202 168:491 169:82 170:560 171:149 172:217 173:983 174:123 175:570 176:693 177:599 178:661 179:220 180:463 181:173 182:1590 183:1064 184:135 185:2280 186:229 187:528 188:612 189:315 190:512 191:107 192:1817 193:1119 194:947 195:778 196:252 197:387 198:751 199:542 200:783 201:637 202:2408 203:2139 204:270 205:270 206:338 207:322 208:236 209:307 210:1445 211:1075 212:790 213:548 214:9 216:385 217:537 218:782 219:67 220:537 221:362 222:125 223:1047 End of report