IPv4 R&E Routing Table Report 20:30 GMT Tue 01 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: 156924 Prefixes after maximum aggregation (per Origin AS): 62101 Deaggregation factor: 2.53 Unique aggregates announced (without unneeded subnets): 88237 Number of IPv4 prefixes with a valid ROA: 86263 Number of IPv4 prefixes with an invalid ROA: 65 Number of IPv4 prefixes with no ROA: 70596 Total ASes present in the Internet Routing Table: 14461 Prefixes per ASN: 10.85 Origin-only ASes present in the Internet Routing Table: 12211 Origin ASes announcing only one prefix: 5935 Transit ASes present in the Internet Routing Table: 2250 Transit-only ASes present in the Internet Routing Table: 530 Paths with bogon ASNs present in the IPv4 Routing Table: 1 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: 74 Number of instances of unregistered ASNs: 74 Number of 32-bit ASNs allocated by the RIRs: 46722 Number of 32-bit ASNs visible in the Routing Table: 7149 Prefixes from 32-bit ASNs in the Routing Table: 28849 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 25 Number of addresses announced to Internet: 494802176 Equivalent to 29 /8s, 126 /16s and 21 /24s Percentage of available address space announced: 13.4 Percentage of allocated address space announced: 13.4 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: 39195 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76154 Total APNIC prefixes after maximum aggregation: 23626 APNIC Deaggregation factor: 3.22 Prefixes being announced from the APNIC address blocks: 74535 Unique aggregates announced from the APNIC address blocks: 34673 APNIC Region origin ASes present in the Internet Routing Table: 4811 APNIC Prefixes per ASN: 15.49 APNIC Region origin ASes announcing only one prefix: 1781 APNIC Region transit ASes present in the Internet Routing Table: 728 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3090 Number of APNIC addresses announced to Internet: 184171264 Equivalent to 10 /8s, 250 /16s and 59 /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: 26529 Total ARIN prefixes after maximum aggregation: 14353 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 25993 Unique aggregates announced from the ARIN address blocks: 20325 ARIN Region origin ASes present in the Internet Routing Table: 2085 ARIN Prefixes per ASN: 12.47 ARIN Region origin ASes announcing only one prefix: 987 ARIN Region transit ASes present in the Internet Routing Table: 215 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 476 Number of ARIN addresses announced to Internet: 161437696 Equivalent to 9 /8s, 159 /16s and 88 /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: 40132 Total RIPE prefixes after maximum aggregation: 19122 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 41037 Unique aggregates announced from the RIPE address blocks: 25702 RIPE Region origin ASes present in the Internet Routing Table: 4677 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 2185 RIPE Region transit ASes present in the Internet Routing Table: 678 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: 1658 Number of RIPE addresses announced to Internet: 125787904 Equivalent to 7 /8s, 127 /16s and 95 /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: 12477 Total LACNIC prefixes after maximum aggregation: 4518 LACNIC Deaggregation factor: 2.76 Prefixes being announced from the LACNIC address blocks: 12173 Unique aggregates announced from the LACNIC address blocks: 5911 LACNIC Region origin ASes present in the Internet Routing Table: 2243 LACNIC Prefixes per ASN: 5.43 LACNIC Region origin ASes announcing only one prefix: 942 LACNIC Region transit ASes present in the Internet Routing Table: 499 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1879 Number of LACNIC addresses announced to Internet: 17989632 Equivalent to 1 /8s, 18 /16s and 128 /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: 1558 Total AfriNIC prefixes after maximum aggregation: 428 AfriNIC Deaggregation factor: 3.64 Prefixes being announced from the AfriNIC address blocks: 3161 Unique aggregates announced from the AfriNIC address blocks: 1602 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Prefixes per ASN: 34.36 AfriNIC Region origin ASes announcing only one prefix: 40 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 46 Number of AfriNIC addresses announced to Internet: 5398528 Equivalent to 0 /8s, 82 /16s and 96 /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 11231 8759 115 CHINAMOBILE-CN China Mobile Communication 9498 4283 502 304 BBIL-AP BHARTI Airtel Ltd., IN 24560 2895 857 524 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2357 812 180 CMNET-JIANGSU-AP China Mobile communicati 4766 1961 6031 922 KIXS-AS-KR Korea Telecom, KR 45609 1861 827 326 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56041 1674 728 86 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1481 192 50 CMNET-HUNAN-AP China Mobile communication 9919 968 170 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 2447 338 616 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2307 3713 1327 AMAZON-02, US 20115 2245 3099 510 CHARTER-20115, US 11492 1955 135 1055 CABLEONE, US 714 1243 4391 8 APPLE-ENGINEERING, US 8075 777 16022 656 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1882 301 TWC-10796-MIDWEST, US 12083 566 192 88 WOW-INTERNET, US 2152 428 48 268 CENIC-2152, US 33363 382 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 2983 2190 964 ROSTELECOM-AS PJSC Rostelecom. Technical 49505 954 100 407 SELECTEL, RU 25019 889 623 332 SAUDINETSTC-AS, SA 9123 677 42 306 TIMEWEB-AS, RU 50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 471 189 173 KAZTELECOM-AS, KZ 9155 428 37 9 QNET Kuwait, KW 50340 376 38 239 SELECTEL-MSK, RU 42772 374 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 2281 721 317 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 565 80 62 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 328543 26 9 5 sun-asn, SC 6879 24 2 9 ENSTINET-, EG 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 11231 8759 115 CHINAMOBILE-CN China Mobile Communication 9498 4283 502 304 BBIL-AP BHARTI Airtel Ltd., IN 39891 4180 255 53 ALJAWWALSTC-AS, SA 12389 2983 2190 964 ROSTELECOM-AS PJSC Rostelecom. Technical 24560 2895 857 524 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2447 338 616 MEDIACOM-ENTERPRISE-BUSINESS, US 56046 2357 812 180 CMNET-JIANGSU-AP China Mobile communicati 16509 2307 3713 1327 AMAZON-02, US 8151 2281 721 317 UNINET, MX 20115 2245 3099 510 CHARTER-20115, 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 4180 4127 ALJAWWALSTC-AS, SA 9498 4283 3979 BBIL-AP BHARTI Airtel Ltd., IN 24560 2895 2371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 56046 2357 2177 CMNET-JIANGSU-AP China Mobile communications co 12389 2983 2019 ROSTELECOM-AS PJSC Rostelecom. Technical Team, 8151 2281 1964 UNINET, MX 30036 2447 1831 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2245 1735 CHARTER-20115, US 56041 1674 1588 CMNET-ZHEJIANG-AP China Mobile communications c 45609 1861 1535 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 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 268419 UNALLOCATED 45.160.145.0/24 264161 FGTECH INFORMATICA LTDA 268419 UNALLOCATED 45.160.147.0/24 264161 FGTECH INFORMATICA LTDA 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 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 /14:149 /15:389 /16:2347 /17:1294 /18:2588 /19:4437 /20:7710 /21:9171 /22:16847 /23:16163 /24:95673 /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 4180 ALJAWWALSTC-AS, SA 30036 2130 2447 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1896 2983 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1347 1955 CABLEONE, US 8151 1244 2281 UNINET, MX 49505 667 954 SELECTEL, RU 9123 551 677 TIMEWEB-AS, RU 20115 549 2245 CHARTER-20115, US 36914 543 565 KENET-AS, KE 50010 516 618 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) ---------------------------------------------- 1:146 2:320 3:108 5:1109 8:82 12:73 13:95 14:368 15:60 16:62 17:328 18:75 20:28 23:628 24:595 25:2 27:492 31:525 32:2 34:3 35:51 36:2130 37:628 38:559 39:675 40:1 41:248 42:99 43:668 44:23 45:2358 46:769 47:60 49:249 50:326 51:136 52:257 54:62 57:28 58:274 59:455 60:103 61:780 62:564 63:128 64:364 65:179 66:318 67:281 68:70 69:257 70:47 71:77 72:243 74:213 75:66 76:62 77:473 78:455 79:252 80:218 81:332 82:400 83:184 84:206 85:458 86:127 87:319 88:62 89:461 90:136 91:1317 92:467 93:928 94:839 95:1517 96:274 97:145 98:73 99:47 101:465 102:108 103:7647 104:379 105:9 106:290 107:104 108:176 109:527 110:227 111:2137 112:1012 113:280 114:767 115:297 116:337 117:1201 118:272 119:224 120:1462 121:399 122:1735 123:389 124:316 125:1556 126:4 128:379 129:67 130:117 131:209 132:74 133:304 134:116 135:23 136:77 137:162 138:325 139:119 140:328 141:150 142:82 143:151 144:119 145:147 146:335 147:227 148:356 149:173 150:224 151:540 152:453 153:37 154:799 155:203 156:447 157:262 158:122 159:385 160:641 161:145 162:270 163:334 164:168 165:247 166:49 167:169 168:572 169:75 170:465 171:55 172:240 173:1001 174:126 175:581 176:716 177:520 178:711 179:157 180:398 181:154 182:1674 183:1179 184:141 185:2185 186:235 187:589 188:575 189:317 190:425 191:95 192:1770 193:1120 194:888 195:764 196:318 197:384 198:732 199:477 200:808 201:548 202:2386 203:2065 204:270 205:262 206:319 207:325 208:235 209:300 210:1364 211:1163 212:749 213:520 216:348 217:556 218:814 219:64 220:554 221:464 222:134 223:1332 End of report