IPv4 R&E Routing Table Report 20:30 GMT Tue 04 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: 155544 Prefixes after maximum aggregation (per Origin AS): 62624 Deaggregation factor: 2.48 Unique aggregates announced (without unneeded subnets): 87966 Number of IPv4 prefixes with a valid ROA: 83872 Number of IPv4 prefixes with an invalid ROA: 57 Number of IPv4 prefixes with no ROA: 71615 Total ASes present in the Internet Routing Table: 14513 Prefixes per ASN: 10.72 Origin-only ASes present in the Internet Routing Table: 12237 Origin ASes announcing only one prefix: 5879 Transit ASes present in the Internet Routing Table: 2276 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: 57 Number of instances of unregistered ASNs: 74 Number of 32-bit ASNs allocated by the RIRs: 46096 Number of 32-bit ASNs visible in the Routing Table: 7053 Prefixes from 32-bit ASNs in the Routing Table: 29079 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: 43 Number of addresses announced to Internet: 512637952 Equivalent to 30 /8s, 142 /16s and 60 /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: 38730 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 73678 Total APNIC prefixes after maximum aggregation: 24111 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 72132 Unique aggregates announced from the APNIC address blocks: 34254 APNIC Region origin ASes present in the Internet Routing Table: 4700 APNIC Prefixes per ASN: 15.35 APNIC Region origin ASes announcing only one prefix: 1717 APNIC Region transit ASes present in the Internet Routing Table: 709 Average APNIC Region AS path length visible: 7.5 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 2997 Number of APNIC addresses announced to Internet: 190846720 Equivalent to 11 /8s, 96 /16s and 23 /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, 131072-153913 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: 26937 Total ARIN prefixes after maximum aggregation: 14700 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 26275 Unique aggregates announced from the ARIN address blocks: 20693 ARIN Region origin ASes present in the Internet Routing Table: 2172 ARIN Prefixes per ASN: 12.10 ARIN Region origin ASes announcing only one prefix: 1013 ARIN Region transit ASes present in the Internet Routing Table: 236 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 468 Number of ARIN addresses announced to Internet: 164083200 Equivalent to 9 /8s, 199 /16s and 182 /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: 40451 Total RIPE prefixes after maximum aggregation: 18965 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 40933 Unique aggregates announced from the RIPE address blocks: 25151 RIPE Region origin ASes present in the Internet Routing Table: 4724 RIPE Prefixes per ASN: 8.66 RIPE Region origin ASes announcing only one prefix: 2187 RIPE Region transit ASes present in the Internet Routing Table: 698 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1645 Number of RIPE addresses announced to Internet: 126892288 Equivalent to 7 /8s, 144 /16s and 57 /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: 12549 Total LACNIC prefixes after maximum aggregation: 4329 LACNIC Deaggregation factor: 2.90 Prefixes being announced from the LACNIC address blocks: 12548 Unique aggregates announced from the LACNIC address blocks: 5834 LACNIC Region origin ASes present in the Internet Routing Table: 2253 LACNIC Prefixes per ASN: 5.57 LACNIC Region origin ASes announcing only one prefix: 920 LACNIC Region transit ASes present in the Internet Routing Table: 498 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1881 Number of LACNIC addresses announced to Internet: 24333056 Equivalent to 1 /8s, 115 /16s and 75 /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: 1872 Total AfriNIC prefixes after maximum aggregation: 471 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 3613 Unique aggregates announced from the AfriNIC address blocks: 2002 AfriNIC Region origin ASes present in the Internet Routing Table: 127 AfriNIC Prefixes per ASN: 28.45 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 7.3 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 62 Number of AfriNIC addresses announced to Internet: 6455040 Equivalent to 0 /8s, 98 /16s and 127 /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 10157 8753 87 CHINAMOBILE-CN China Mobile Communication 9498 4140 496 264 BBIL-AP BHARTI Airtel Ltd., IN 24560 2835 853 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 7552 1917 1038 433 VIETEL-AS-AP Viettel Group, VN 45609 1788 810 332 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56046 1578 804 173 CMNET-JIANGSU-AP China Mobile communicati 56041 1544 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication 9919 961 170 65 NCIC-TW New Century InfoComm Tech Co., Lt 24547 824 176 58 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 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 2350 332 726 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2231 3095 505 CHARTER-20115, US 16509 2164 3505 1240 AMAZON-02, US 11492 1895 131 1023 CABLEONE, US 714 1208 4391 8 APPLE-ENGINEERING, US 8075 706 16016 597 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 648 1950 307 TWC-10796-MIDWEST, US 12083 443 191 84 WOW-INTERNET, US 33363 387 1416 211 BHN-33363, US 2152 378 39 255 CENIC-2152, 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 2212 1997 785 ROSTELECOM-AS, RU 9198 1041 355 113 KAZTELECOM-AS, KZ 49505 853 92 355 SELECTEL, RU 25019 739 627 282 SAUDINETSTC-AS, SA 9123 568 36 253 TIMEWEB-AS, RU 50010 490 76 11 NAWRAS-AS Sultanate of Oman, OM 9155 427 37 9 QNET Kuwait, KW 42772 374 63 104 A1-BY-AS, BY 209242 347 31 313 CLOUDFLARESPECTRUM Cloudflare, Inc., US 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 2087 623 220 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 271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 11014 125 10 27 CPS, AR 52251 112 6 9 NORTECH, AR 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 550 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 36873 184 82 33 VNL1-AS, NG 37075 78 248 27 ZAINUGAS, UG 30999 74 25 33 EMTEL-AS-AP, MU 8094 47 48 18 PUKNET, ZA 15399 46 5 31 WANANCHI-, KE 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 10157 8753 87 CHINAMOBILE-CN China Mobile Communication 39891 4179 255 52 ALJAWWALSTC-AS, SA 9498 4140 496 264 BBIL-AP BHARTI Airtel Ltd., IN 24560 2835 853 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2350 332 726 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2231 3095 505 CHARTER-20115, US 12389 2212 1997 785 ROSTELECOM-AS, RU 16509 2164 3505 1240 AMAZON-02, US 8151 2087 623 220 UNINET, MX 7552 1917 1038 433 VIETEL-AS-AP Viettel Group, VN 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 4140 3876 BBIL-AP BHARTI Airtel Ltd., IN 24560 2835 2303 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 8151 2087 1867 UNINET, MX 20115 2231 1726 CHARTER-20115, US 30036 2350 1624 MEDIACOM-ENTERPRISE-BUSINESS, US 7552 1917 1484 VIETEL-AS-AP Viettel Group, VN 56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c 45609 1788 1456 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp 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: 51847 NEAROUTE, 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 /13:76 /14:171 /15:402 /16:2557 /17:1367 /18:2845 /19:4374 /20:7736 /21:9506 /22:16973 /23:16048 /24:93411 /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 2038 2350 MEDIACOM-ENTERPRISE-BUSINESS, US 11492 1336 1895 CABLEONE, US 12389 1317 2212 ROSTELECOM-AS, RU 8151 1123 2087 UNINET, MX 9198 613 1041 KAZTELECOM-AS, KZ 49505 589 853 SELECTEL, RU 20115 548 2231 CHARTER-20115, US 36914 526 550 KENET-AS, KE 16509 481 2164 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:229 2:305 3:95 5:1052 6:4 8:55 12:84 13:85 14:299 15:58 16:56 17:311 18:101 20:23 23:726 24:504 25:2 27:604 31:512 32:2 34:2 35:37 36:1365 37:562 38:502 39:689 40:1 41:304 42:166 43:632 44:19 45:2307 46:736 47:63 49:184 50:313 51:137 52:259 54:41 57:28 58:287 59:381 60:95 61:697 62:568 63:130 64:400 65:177 66:307 67:323 68:71 69:254 70:31 71:80 72:243 74:213 75:63 76:55 77:468 78:444 79:210 80:254 81:344 82:371 83:183 84:177 85:315 86:134 87:302 88:94 89:511 90:130 91:1412 92:436 93:932 94:687 95:1478 96:271 97:146 98:75 99:47 101:348 102:122 103:7723 104:395 105:168 106:287 107:112 108:138 109:406 110:219 111:2106 112:862 113:351 114:714 115:252 116:382 117:1341 118:386 119:278 120:1225 121:303 122:1762 123:470 124:307 125:1584 126:1 128:368 129:58 130:128 131:188 132:48 133:306 134:166 135:25 136:77 137:156 138:325 139:238 140:305 141:241 142:108 143:157 144:117 145:92 146:378 147:244 148:385 149:232 150:263 151:493 152:466 153:37 154:956 155:182 156:494 157:263 158:127 159:392 160:614 161:141 162:260 163:244 164:143 165:202 166:57 167:204 168:456 169:86 170:596 171:181 172:215 173:948 174:124 175:537 176:677 177:569 178:664 179:225 180:461 181:138 182:1594 183:1050 184:133 185:2272 186:220 187:467 188:601 189:259 190:498 191:114 192:1822 193:1214 194:965 195:777 196:238 197:386 198:755 199:552 200:747 201:583 202:2427 203:1951 204:288 205:274 206:335 207:318 208:238 209:310 210:1197 211:793 212:773 213:549 214:9 216:410 217:557 218:718 219:70 220:336 221:321 222:100 223:941 End of report