IPv4 R&E Routing Table Report 20:30 GMT Thu 08 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: 158466 Prefixes after maximum aggregation (per Origin AS): 62884 Deaggregation factor: 2.52 Unique aggregates announced (without unneeded subnets): 89768 Number of IPv4 prefixes with a valid ROA: 87085 Number of IPv4 prefixes with an invalid ROA: 87 Number of IPv4 prefixes with no ROA: 71294 Total ASes present in the Internet Routing Table: 14564 Prefixes per ASN: 10.88 Origin-only ASes present in the Internet Routing Table: 12324 Origin ASes announcing only one prefix: 5974 Transit ASes present in the Internet Routing Table: 2240 Transit-only ASes present in the Internet Routing Table: 501 Paths with bogon ASNs present in the IPv4 Routing Table: 4 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: 82 Number of instances of unregistered ASNs: 83 Number of 32-bit ASNs allocated by the RIRs: 46364 Number of 32-bit ASNs visible in the Routing Table: 7169 Prefixes from 32-bit ASNs in the Routing Table: 29177 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 65 Number of addresses announced to Internet: 505547008 Equivalent to 30 /8s, 34 /16s and 9 /24s Percentage of available address space announced: 13.7 Percentage of allocated address space announced: 13.7 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: 38771 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 78065 Total APNIC prefixes after maximum aggregation: 25003 APNIC Deaggregation factor: 3.12 Prefixes being announced from the APNIC address blocks: 76398 Unique aggregates announced from the APNIC address blocks: 36708 APNIC Region origin ASes present in the Internet Routing Table: 4979 APNIC Prefixes per ASN: 15.34 APNIC Region origin ASes announcing only one prefix: 1867 APNIC Region transit ASes present in the Internet Routing Table: 734 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3199 Number of APNIC addresses announced to Internet: 188914432 Equivalent to 11 /8s, 66 /16s and 155 /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: 27033 Total ARIN prefixes after maximum aggregation: 14640 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26639 Unique aggregates announced from the ARIN address blocks: 20498 ARIN Region origin ASes present in the Internet Routing Table: 2127 ARIN Prefixes per ASN: 12.52 ARIN Region origin ASes announcing only one prefix: 1000 ARIN Region transit ASes present in the Internet Routing Table: 219 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: 467 Number of ARIN addresses announced to Internet: 167710976 Equivalent to 9 /8s, 255 /16s and 17 /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: 39596 Total RIPE prefixes after maximum aggregation: 18437 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40435 Unique aggregates announced from the RIPE address blocks: 25211 RIPE Region origin ASes present in the Internet Routing Table: 4644 RIPE Prefixes per ASN: 8.71 RIPE Region origin ASes announcing only one prefix: 2151 RIPE Region transit ASes present in the Internet Routing Table: 671 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: 1629 Number of RIPE addresses announced to Internet: 124730112 Equivalent to 7 /8s, 111 /16s and 59 /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: 12174 Total LACNIC prefixes after maximum aggregation: 4387 LACNIC Deaggregation factor: 2.78 Prefixes being announced from the LACNIC address blocks: 11600 Unique aggregates announced from the LACNIC address blocks: 5689 LACNIC Region origin ASes present in the Internet Routing Table: 2191 LACNIC Prefixes per ASN: 5.29 LACNIC Region origin ASes announcing only one prefix: 918 LACNIC Region transit ASes present in the Internet Routing Table: 479 Average LACNIC Region AS path length visible: 7.4 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1826 Number of LACNIC addresses announced to Internet: 18258432 Equivalent to 1 /8s, 22 /16s and 154 /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: 1516 Total AfriNIC prefixes after maximum aggregation: 355 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 3329 Unique aggregates announced from the AfriNIC address blocks: 1629 AfriNIC Region origin ASes present in the Internet Routing Table: 97 AfriNIC Prefixes per ASN: 34.32 AfriNIC Region origin ASes announcing only one prefix: 38 AfriNIC Region transit ASes present in the Internet Routing Table: 32 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: 48 Number of AfriNIC addresses announced to Internet: 5902336 Equivalent to 0 /8s, 90 /16s and 16 /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 10616 8756 95 CHINAMOBILE-CN China Mobile Communication 9498 4210 500 288 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 2017 6034 953 KIXS-AS-KR Korea Telecom, KR 45609 1853 828 322 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 2405 333 680 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2237 3628 1281 AMAZON-02, US 20115 2236 3097 514 CHARTER-20115, US 11492 1921 133 1044 CABLEONE, US 714 1229 4391 8 APPLE-ENGINEERING, US 8075 751 16020 634 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1912 301 TWC-10796-MIDWEST, US 12083 575 192 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 2289 1997 778 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 1844 675 241 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 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 11340 110 25 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 553 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 20 4 1 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 10616 8756 95 CHINAMOBILE-CN China Mobile Communication 9498 4210 500 288 BBIL-AP BHARTI Airtel Ltd., IN 39891 4179 255 52 ALJAWWALSTC-AS, SA 24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2405 333 680 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 2289 1997 778 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 2017 6034 953 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 3922 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 2405 1725 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2236 1722 CHARTER-20115, US 8151 1844 1603 UNINET, MX 45609 1853 1531 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56046 1708 1528 CMNET-JIANGSU-AP China Mobile communications co 12389 2289 1511 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 /16:2482 /17:1329 /18:2810 /19:4431 /20:7576 /21:9471 /22:17252 /23:16428 /24:95964 /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 2089 2405 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1385 2289 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1326 1921 CABLEONE, US 8151 1017 1844 UNINET, MX 49505 596 860 SELECTEL, RU 20115 552 2236 CHARTER-20115, US 36914 529 553 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 5:1090 8:64 12:81 13:88 14:372 15:58 16:63 17:319 18:74 20:28 23:712 24:593 25:2 27:622 31:528 32:2 34:3 35:37 36:1678 37:640 38:503 39:702 40:1 41:246 42:135 43:667 44:21 45:2303 46:786 47:63 49:205 50:319 51:138 52:258 54:62 57:28 58:299 59:451 60:95 61:778 62:552 63:128 64:377 65:287 66:304 67:312 68:71 69:264 70:32 71:84 72:247 74:197 75:66 76:62 77:490 78:451 79:239 80:225 81:341 82:355 83:189 84:183 85:372 86:114 87:309 88:100 89:465 90:133 91:1397 92:449 93:936 94:811 95:1483 96:266 97:146 98:68 99:47 101:456 102:115 103:7932 104:363 105:9 106:288 107:106 108:143 109:465 110:230 111:2128 112:933 113:300 114:814 115:308 116:411 117:1397 118:361 119:259 120:1257 121:414 122:1706 123:388 124:328 125:1584 126:6 128:382 129:66 130:127 131:210 132:53 133:303 134:163 135:24 136:79 137:167 138:310 139:225 140:316 141:186 142:77 143:161 144:121 145:135 146:376 147:256 148:354 149:213 150:257 151:517 152:452 153:37 154:928 155:189 156:443 157:280 158:126 159:395 160:661 161:148 162:269 163:301 164:141 165:219 166:44 167:185 168:333 169:68 170:470 171:195 172:214 173:970 174:119 175:555 176:722 177:508 178:673 179:179 180:463 181:136 182:1613 183:1086 184:138 185:2264 186:213 187:471 188:594 189:295 190:470 191:92 192:1847 193:1134 194:917 195:771 196:289 197:371 198:767 199:557 200:785 201:514 202:2490 203:2234 204:285 205:267 206:306 207:309 208:242 209:314 210:1463 211:1148 212:757 213:513 214:2 216:374 217:562 218:804 219:64 220:569 221:389 222:134 223:1095 End of report