IPv4 R&E Routing Table Report 20:30 GMT Mon 17 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: 157220 Prefixes after maximum aggregation (per Origin AS): 63459 Deaggregation factor: 2.48 Unique aggregates announced (without unneeded subnets): 89505 Number of IPv4 prefixes with a valid ROA: 83954 Number of IPv4 prefixes with an invalid ROA: 61 Number of IPv4 prefixes with no ROA: 73205 Total ASes present in the Internet Routing Table: 14622 Prefixes per ASN: 10.75 Origin-only ASes present in the Internet Routing Table: 12339 Origin ASes announcing only one prefix: 5909 Transit ASes present in the Internet Routing Table: 2283 Transit-only ASes present in the Internet Routing Table: 515 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: 46152 Number of 32-bit ASNs visible in the Routing Table: 7162 Prefixes from 32-bit ASNs in the Routing Table: 29320 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: 45 Number of addresses announced to Internet: 511566848 Equivalent to 30 /8s, 125 /16s and 228 /24s Percentage of available address space announced: 13.8 Percentage of allocated address space announced: 13.8 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: 38669 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75700 Total APNIC prefixes after maximum aggregation: 25262 APNIC Deaggregation factor: 3.00 Prefixes being announced from the APNIC address blocks: 74192 Unique aggregates announced from the APNIC address blocks: 35934 APNIC Region origin ASes present in the Internet Routing Table: 4855 APNIC Prefixes per ASN: 15.28 APNIC Region origin ASes announcing only one prefix: 1776 APNIC Region transit ASes present in the Internet Routing Table: 722 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: 3073 Number of APNIC addresses announced to Internet: 191117824 Equivalent to 11 /8s, 100 /16s and 58 /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: 26856 Total ARIN prefixes after maximum aggregation: 14529 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26102 Unique aggregates announced from the ARIN address blocks: 20578 ARIN Region origin ASes present in the Internet Routing Table: 2124 ARIN Prefixes per ASN: 12.29 ARIN Region origin ASes announcing only one prefix: 1011 ARIN Region transit ASes present in the Internet Routing Table: 232 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: 464 Number of ARIN addresses announced to Internet: 163987968 Equivalent to 9 /8s, 198 /16s and 66 /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: 40323 Total RIPE prefixes after maximum aggregation: 18698 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 40835 Unique aggregates announced from the RIPE address blocks: 24920 RIPE Region origin ASes present in the Internet Routing Table: 4675 RIPE Prefixes per ASN: 8.73 RIPE Region origin ASes announcing only one prefix: 2158 RIPE Region transit ASes present in the Internet Routing Table: 681 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: 1622 Number of RIPE addresses announced to Internet: 126019584 Equivalent to 7 /8s, 130 /16s and 232 /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: 12447 Total LACNIC prefixes after maximum aggregation: 4441 LACNIC Deaggregation factor: 2.80 Prefixes being announced from the LACNIC address blocks: 12448 Unique aggregates announced from the LACNIC address blocks: 5990 LACNIC Region origin ASes present in the Internet Routing Table: 2306 LACNIC Prefixes per ASN: 5.40 LACNIC Region origin ASes announcing only one prefix: 924 LACNIC Region transit ASes present in the Internet Routing Table: 513 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1939 Number of LACNIC addresses announced to Internet: 24025856 Equivalent to 1 /8s, 110 /16s and 155 /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: 1836 Total AfriNIC prefixes after maximum aggregation: 482 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 3598 Unique aggregates announced from the AfriNIC address blocks: 2046 AfriNIC Region origin ASes present in the Internet Routing Table: 125 AfriNIC Prefixes per ASN: 28.78 AfriNIC Region origin ASes announcing only one prefix: 40 AfriNIC Region transit ASes present in the Internet Routing Table: 36 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: 64 Number of AfriNIC addresses announced to Internet: 6384640 Equivalent to 0 /8s, 97 /16s and 108 /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 2839 855 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45609 1794 811 334 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 4766 1655 6115 923 KIXS-AS-KR Korea Telecom, KR 56046 1580 804 173 CMNET-JIANGSU-AP China Mobile communicati 56041 1544 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1504 192 53 CMNET-HUNAN-AP China Mobile communication 7552 1423 606 469 VIETEL-AS-AP Viettel Group, VN 9919 964 170 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 2430 340 610 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 3095 505 CHARTER-20115, US 16509 2184 3520 1252 AMAZON-02, US 11492 1897 131 1025 CABLEONE, US 714 1206 4391 8 APPLE-ENGINEERING, US 8075 710 16016 601 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 645 1950 304 TWC-10796-MIDWEST, US 12083 444 191 84 WOW-INTERNET, US 2152 383 39 259 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 2216 1997 787 ROSTELECOM-AS, RU 9198 1041 355 113 KAZTELECOM-AS, KZ 49505 854 92 355 SELECTEL, RU 25019 768 643 296 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 1729 505 244 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 473 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 36873 198 83 44 VNL1-AS, NG 37075 78 248 27 ZAINUGAS, UG 15399 75 7 35 WANANCHI-, KE 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 2839 855 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2430 340 610 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 3095 505 CHARTER-20115, US 12389 2216 1997 787 ROSTELECOM-AS, RU 16509 2184 3520 1252 AMAZON-02, US 11492 1897 131 1025 CABLEONE, US 45609 1794 811 334 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 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 2839 2311 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 30036 2430 1820 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2232 1727 CHARTER-20115, US 8151 1729 1485 UNINET, MX 56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c 45609 1794 1460 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp 12389 2216 1429 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 45.127.96.0/22 Origin: 55933 CLOUDIE-AS-AP Cloudie Limited, HK 45.127.96.0/22 Transit: 6939 HURRICANE, US 45.252.60.0/22 Origin: 997 KLAYER, US 45.252.60.0/22 Transit: 55933 CLOUDIE-AS-AP Cloudie Limited, HK 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 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 /13:80 /14:166 /15:400 /16:2536 /17:1378 /18:2801 /19:4363 /20:7714 /21:9248 /22:17133 /23:16170 /24:95153 /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 2114 2430 MEDIACOM-ENTERPRISE-BUSINESS, US 11492 1336 1897 CABLEONE, US 12389 1320 2216 ROSTELECOM-AS, RU 8151 927 1729 UNINET, MX 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 2184 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:252 2:315 3:95 5:1062 6:4 8:55 12:82 13:87 14:366 15:57 16:59 17:309 18:76 20:23 23:727 24:503 25:2 27:600 31:526 32:2 34:3 35:37 36:1368 37:578 38:501 39:688 40:1 41:243 42:166 43:632 44:18 45:2421 46:747 47:63 49:200 50:324 51:138 52:258 54:41 57:28 58:290 59:425 60:95 61:790 62:581 63:130 64:387 65:177 66:303 67:317 68:68 69:248 70:31 71:79 72:242 74:204 75:64 76:55 77:467 78:439 79:234 80:243 81:345 82:359 83:184 84:180 85:325 86:134 87:304 88:97 89:509 90:131 91:1397 92:438 93:930 94:676 95:1477 96:274 97:146 98:77 99:47 101:499 102:131 103:7678 104:393 105:181 106:289 107:110 108:138 109:406 110:231 111:2095 112:904 113:356 114:798 115:265 116:356 117:1357 118:398 119:295 120:1228 121:412 122:1785 123:480 124:312 125:1589 126:1 128:391 129:57 130:129 131:185 132:44 133:303 134:162 135:25 136:81 137:154 138:328 139:233 140:315 141:200 142:92 143:165 144:117 145:96 146:377 147:251 148:360 149:253 150:272 151:493 152:461 153:36 154:921 155:168 156:492 157:271 158:125 159:389 160:621 161:144 162:260 163:257 164:146 165:212 166:62 167:203 168:473 169:79 170:561 171:149 172:217 173:983 174:124 175:556 176:690 177:590 178:661 179:222 180:462 181:170 182:1587 183:1061 184:134 185:2267 186:227 187:470 188:611 189:241 190:482 191:106 192:1816 193:1130 194:939 195:769 196:242 197:387 198:749 199:542 200:765 201:458 202:2408 203:2180 204:269 205:270 206:337 207:319 208:236 209:304 210:1469 211:1093 212:810 213:550 214:8 216:383 217:554 218:790 219:67 220:553 221:362 222:125 223:1052 End of report