IPv4 R&E Routing Table Report 20:30 GMT Fri 11 Jul, 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: 159181 Prefixes after maximum aggregation (per Origin AS): 62553 Deaggregation factor: 2.54 Unique aggregates announced (without unneeded subnets): 89806 Number of IPv4 prefixes with a valid ROA: 87758 Number of IPv4 prefixes with an invalid ROA: 62 Number of IPv4 prefixes with no ROA: 71361 Total ASes present in the Internet Routing Table: 14416 Prefixes per ASN: 11.04 Origin-only ASes present in the Internet Routing Table: 12152 Origin ASes announcing only one prefix: 5887 Transit ASes present in the Internet Routing Table: 2264 Transit-only ASes present in the Internet Routing Table: 538 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: 53 Max AS path prepend of ASN (212940) 45 Prefixes from unregistered ASNs in the Routing Table: 81 Number of instances of unregistered ASNs: 81 Number of 32-bit ASNs allocated by the RIRs: 46790 Number of 32-bit ASNs visible in the Routing Table: 7103 Prefixes from 32-bit ASNs in the Routing Table: 29118 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 26 Number of addresses announced to Internet: 492360448 Equivalent to 29 /8s, 88 /16s and 211 /24s Percentage of available address space announced: 13.3 Percentage of allocated address space announced: 13.3 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: 40496 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76957 Total APNIC prefixes after maximum aggregation: 23441 APNIC Deaggregation factor: 3.28 Prefixes being announced from the APNIC address blocks: 75161 Unique aggregates announced from the APNIC address blocks: 34526 APNIC Region origin ASes present in the Internet Routing Table: 4670 APNIC Prefixes per ASN: 16.09 APNIC Region origin ASes announcing only one prefix: 1721 APNIC Region transit ASes present in the Internet Routing Table: 716 Average APNIC Region AS path length visible: 7.5 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3017 Number of APNIC addresses announced to Internet: 181839360 Equivalent to 10 /8s, 214 /16s and 166 /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: 26526 Total ARIN prefixes after maximum aggregation: 14372 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26059 Unique aggregates announced from the ARIN address blocks: 20370 ARIN Region origin ASes present in the Internet Routing Table: 2089 ARIN Prefixes per ASN: 12.47 ARIN Region origin ASes announcing only one prefix: 995 ARIN Region transit ASes present in the Internet Routing Table: 216 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: 479 Number of ARIN addresses announced to Internet: 161292544 Equivalent to 9 /8s, 157 /16s and 33 /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: 41760 Total RIPE prefixes after maximum aggregation: 19665 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 42685 Unique aggregates announced from the RIPE address blocks: 26893 RIPE Region origin ASes present in the Internet Routing Table: 4811 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 2230 RIPE Region transit ASes present in the Internet Routing Table: 697 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 50 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1716 Number of RIPE addresses announced to Internet: 125894912 Equivalent to 7 /8s, 129 /16s and 1 /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: 12279 Total LACNIC prefixes after maximum aggregation: 4429 LACNIC Deaggregation factor: 2.77 Prefixes being announced from the LACNIC address blocks: 11967 Unique aggregates announced from the LACNIC address blocks: 5867 LACNIC Region origin ASes present in the Internet Routing Table: 2183 LACNIC Prefixes per ASN: 5.48 LACNIC Region origin ASes announcing only one prefix: 899 LACNIC Region transit ASes present in the Internet Routing Table: 485 Average LACNIC Region AS path length visible: 7.4 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1839 Number of LACNIC addresses announced to Internet: 17877760 Equivalent to 1 /8s, 16 /16s and 203 /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: 1578 Total AfriNIC prefixes after maximum aggregation: 585 AfriNIC Deaggregation factor: 2.70 Prefixes being announced from the AfriNIC address blocks: 3283 Unique aggregates announced from the AfriNIC address blocks: 2125 AfriNIC Region origin ASes present in the Internet Routing Table: 100 AfriNIC Prefixes per ASN: 32.83 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 29 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 52 Number of AfriNIC addresses announced to Internet: 5438464 Equivalent to 0 /8s, 82 /16s and 252 /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 11570 8761 117 CHINAMOBILE-CN China Mobile Communication 9498 4294 502 304 BBIL-AP BHARTI Airtel Ltd., IN 24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2597 812 179 CMNET-JIANGSU-AP China Mobile communicati 4766 1952 6031 919 KIXS-AS-KR Korea Telecom, KR 45609 1879 829 330 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56041 1615 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1501 192 50 CMNET-HUNAN-AP China Mobile communication 9919 971 170 64 NCIC-TW New Century InfoComm Tech Co., Lt 24547 871 176 59 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 2452 339 618 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2308 3737 1334 AMAZON-02, US 20115 2246 3099 511 CHARTER-20115, US 11492 1961 136 1060 CABLEONE, US 714 1244 4391 8 APPLE-ENGINEERING, US 8075 778 16022 655 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1882 301 TWC-10796-MIDWEST, US 12083 560 192 88 WOW-INTERNET, US 2152 428 48 268 CENIC-2152, US 33363 380 1424 212 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 4180 255 53 ALJAWWALSTC-AS, SA 12389 2984 2203 953 ROSTELECOM-AS PJSC Rostelecom. Technical 49505 956 100 407 SELECTEL, RU 25019 919 611 340 SAUDINETSTC-AS, SA 9123 678 42 306 TIMEWEB-AS, RU 50010 612 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 520 208 188 KAZTELECOM-AS, KZ 9155 429 37 9 QNET Kuwait, KW 21299 427 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan 50340 379 39 241 SELECTEL-MSK, RU 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 2150 672 312 UNINET, MX 8167 342 1089 44 V tal, BR 7738 297 939 71 V tal, BR 1916 240 177 41 Rede Nacional de Ensino e Pesquisa, BR 28201 219 16 28 Companhia Itabirana Telecomunicacoes Ltda 28391 159 10 71 Universidad Juarez Autonoma de Tabasco, M 271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 11014 123 10 26 CPS, AR 11340 109 9 52 Red Universitaria Nacional, CL 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 566 57 208 KENET-AS, KE 2018 375 318 69 TENET-1, ZA 15399 76 7 28 WANANCHI-, KE 30999 74 25 32 EMTEL-AS-AP, MU 23889 55 37 31 MauritiusTelecom, MU 10798 54 3 36 SBICSA, ZA 8094 47 48 18 PUKNET, ZA 37215 37 8 1 MAREN, MW 37294 23 35 5 TNM, MW 328543 23 8 4 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 11570 8761 117 CHINAMOBILE-CN China Mobile Communication 9498 4294 502 304 BBIL-AP BHARTI Airtel Ltd., IN 39891 4180 255 53 ALJAWWALSTC-AS, SA 12389 2984 2203 953 ROSTELECOM-AS PJSC Rostelecom. Technical 24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2597 812 179 CMNET-JIANGSU-AP China Mobile communicati 30036 2452 339 618 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2308 3737 1334 AMAZON-02, US 20115 2246 3099 511 CHARTER-20115, US 8151 2150 672 312 UNINET, MX 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 4180 4127 ALJAWWALSTC-AS, SA 9498 4294 3990 BBIL-AP BHARTI Airtel Ltd., IN 56046 2597 2418 CMNET-JIANGSU-AP China Mobile communications co 24560 2902 2383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 12389 2984 2031 ROSTELECOM-AS PJSC Rostelecom. Technical Team, 8151 2150 1838 UNINET, MX 30036 2452 1834 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2246 1735 CHARTER-20115, US 45609 1879 1549 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56041 1615 1541 CMNET-ZHEJIANG-AP China Mobile communications c 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 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 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 46123 UNALLOCATED 71.46.221.0/24 33363 BHN-33363, 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 103.83.18.0/24 Origin: 133457 SSB-AS-AP ScopeTel Sdn Bhd, MY 103.83.18.0/24 Transit: 136400 ACG-AFG-AS-AP Asia Consultancy Group, AF 103.96.76.0/24 Origin: 132238 AHSL-AS-AP Array Health, NZ 103.96.76.0/24 Transit: 17981 CAMBOTECH-KH-AS Cambo TechnologyISP Co., 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 /12:46 /13:80 /14:148 /15:385 /16:2319 /17:1285 /18:2621 /19:4463 /20:7723 /21:9225 /22:17058 /23:16165 /24:97634 /25:0 /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 4180 ALJAWWALSTC-AS, SA 30036 2135 2452 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1899 2984 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1351 1961 CABLEONE, US 8151 1225 2150 UNINET, MX 49505 669 956 SELECTEL, RU 9123 552 678 TIMEWEB-AS, RU 20115 550 2246 CHARTER-20115, US 36914 546 566 KENET-AS, KE 50010 510 612 NAWRAS-AS Sultanate of Oman, OM Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:141 2:321 3:108 5:1141 8:81 12:74 13:95 14:378 15:59 16:62 17:329 18:75 23:814 24:594 25:2 27:482 31:568 32:2 34:3 35:51 36:2429 37:660 38:576 39:677 40:1 41:251 42:105 43:682 44:17 45:2407 46:801 47:60 49:219 50:327 51:136 52:256 54:62 57:28 58:275 59:455 60:109 61:780 62:589 63:128 64:366 65:181 66:320 67:295 68:71 69:260 70:36 71:77 72:225 74:218 75:65 76:63 77:501 78:480 79:259 80:232 81:343 82:402 83:187 84:202 85:481 86:127 87:336 88:108 89:470 90:136 91:1389 92:479 93:948 94:908 95:1546 96:272 97:144 98:73 99:45 101:468 102:117 103:7609 104:368 105:9 106:296 107:103 108:174 109:554 110:239 111:2147 112:1056 113:278 114:749 115:297 116:344 117:1225 118:316 119:240 120:1482 121:387 122:1719 123:409 124:316 125:1565 126:4 128:379 129:72 130:110 131:208 132:74 133:303 134:102 135:24 136:76 137:173 138:334 139:122 140:326 141:150 142:80 143:151 144:137 145:148 146:345 147:228 148:354 149:173 150:228 151:546 152:454 153:37 154:810 155:187 156:519 157:253 158:123 159:386 160:635 161:142 162:280 163:326 164:177 165:225 166:53 167:168 168:570 169:70 170:456 171:55 172:239 173:1002 174:125 175:578 176:737 177:513 178:721 179:157 180:405 181:154 182:1680 183:1208 184:141 185:2410 186:242 187:604 188:792 189:299 190:460 191:88 192:1773 193:1141 194:926 195:769 196:327 197:388 198:733 199:478 200:806 201:544 202:2408 203:1927 204:271 205:268 206:321 207:327 208:233 209:312 210:1362 211:1176 212:796 213:556 216:355 217:587 218:809 219:63 220:551 221:499 222:130 223:1348 End of report