IPv4 R&E Routing Table Report 20:30 GMT Tue 29 Apr, 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: 158886 Prefixes after maximum aggregation (per Origin AS): 63136 Deaggregation factor: 2.52 Unique aggregates announced (without unneeded subnets): 90081 Number of IPv4 prefixes with a valid ROA: 87476 Number of IPv4 prefixes with an invalid ROA: 66 Number of IPv4 prefixes with no ROA: 71344 Total ASes present in the Internet Routing Table: 14588 Prefixes per ASN: 10.89 Origin-only ASes present in the Internet Routing Table: 12378 Origin ASes announcing only one prefix: 5975 Transit ASes present in the Internet Routing Table: 2210 Transit-only ASes present in the Internet Routing Table: 494 Paths with bogon ASNs present in the IPv4 Routing Table: 3 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: 83 Number of instances of unregistered ASNs: 83 Number of 32-bit ASNs allocated by the RIRs: 46298 Number of 32-bit ASNs visible in the Routing Table: 7206 Prefixes from 32-bit ASNs in the Routing Table: 29367 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: 67 Number of addresses announced to Internet: 506054912 Equivalent to 30 /8s, 41 /16s and 201 /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: 38971 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 78483 Total APNIC prefixes after maximum aggregation: 25358 APNIC Deaggregation factor: 3.09 Prefixes being announced from the APNIC address blocks: 76649 Unique aggregates announced from the APNIC address blocks: 37073 APNIC Region origin ASes present in the Internet Routing Table: 5006 APNIC Prefixes per ASN: 15.31 APNIC Region origin ASes announcing only one prefix: 1859 APNIC Region transit ASes present in the Internet Routing Table: 720 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: 3215 Number of APNIC addresses announced to Internet: 189207552 Equivalent to 11 /8s, 71 /16s and 20 /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: 27000 Total ARIN prefixes after maximum aggregation: 14605 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26639 Unique aggregates announced from the ARIN address blocks: 20502 ARIN Region origin ASes present in the Internet Routing Table: 2120 ARIN Prefixes per ASN: 12.57 ARIN Region origin ASes announcing only one prefix: 1005 ARIN Region transit ASes present in the Internet Routing Table: 218 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: 167640320 Equivalent to 9 /8s, 253 /16s and 253 /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: 39522 Total RIPE prefixes after maximum aggregation: 18320 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 40454 Unique aggregates announced from the RIPE address blocks: 25125 RIPE Region origin ASes present in the Internet Routing Table: 4605 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 2123 RIPE Region transit ASes present in the Internet Routing Table: 668 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: 1603 Number of RIPE addresses announced to Internet: 124907520 Equivalent to 7 /8s, 113 /16s and 240 /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: 12009 Total LACNIC prefixes after maximum aggregation: 4339 LACNIC Deaggregation factor: 2.77 Prefixes being announced from the LACNIC address blocks: 11435 Unique aggregates announced from the LACNIC address blocks: 5524 LACNIC Region origin ASes present in the Internet Routing Table: 2212 LACNIC Prefixes per ASN: 5.17 LACNIC Region origin ASes announcing only one prefix: 935 LACNIC Region transit ASes present in the Internet Routing Table: 471 Average LACNIC Region AS path length visible: 7.4 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1850 Number of LACNIC addresses announced to Internet: 18244352 Equivalent to 1 /8s, 22 /16s and 99 /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: 1789 Total AfriNIC prefixes after maximum aggregation: 454 AfriNIC Deaggregation factor: 3.94 Prefixes being announced from the AfriNIC address blocks: 3642 Unique aggregates announced from the AfriNIC address blocks: 1822 AfriNIC Region origin ASes present in the Internet Routing Table: 128 AfriNIC Prefixes per ASN: 28.45 AfriNIC Region origin ASes announcing only one prefix: 53 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 7.7 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 71 Number of AfriNIC addresses announced to Internet: 6023936 Equivalent to 0 /8s, 91 /16s and 235 /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 10278 8754 92 CHINAMOBILE-CN China Mobile Communication 9498 4176 498 269 BBIL-AP BHARTI Airtel Ltd., IN 24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN 4766 2033 6035 954 KIXS-AS-KR Korea Telecom, KR 45609 1843 826 320 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56046 1630 812 180 CMNET-JIANGSU-AP China Mobile communicati 56041 1574 725 74 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication 9919 968 170 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 2403 334 687 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2235 3628 1276 AMAZON-02, US 20115 2235 3097 506 CHARTER-20115, US 11492 1895 131 1034 CABLEONE, US 714 1228 4391 8 APPLE-ENGINEERING, US 8075 750 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 387 1424 214 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 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical 25019 914 639 327 SAUDINETSTC-AS, SA 49505 859 92 356 SELECTEL, RU 9123 618 39 276 TIMEWEB-AS, RU 50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 479 179 177 KAZTELECOM-AS, KZ 9155 426 37 9 QNET Kuwait, KW 21299 423 77 60 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 1856 676 242 UNINET, MX 7738 595 1775 65 V tal, BR 8167 342 1089 44 V tal, BR 1916 235 177 40 Rede Nacional de Ensino e Pesquisa, BR 28201 217 16 28 Companhia Itabirana Telecomunicacoes Ltda 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 262287 98 13 74 Latitude.sh LTDA, 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 536 82 3 KENET-AS, KE 2018 372 318 69 TENET-1, ZA 36873 198 83 30 VNL1-AS, NG 15399 95 8 44 WANANCHI-, KE 30999 74 25 32 EMTEL-AS-AP, MU 23889 49 27 29 MauritiusTelecom, MU 8094 47 48 18 PUKNET, ZA 37215 34 8 1 MAREN, MW 328543 24 5 6 sun-asn, SC 327885 23 4 3 Viettel-Tanzania, TZ 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 10278 8754 92 CHINAMOBILE-CN China Mobile Communication 39891 4179 255 52 ALJAWWALSTC-AS, SA 9498 4176 498 269 BBIL-AP BHARTI Airtel Ltd., IN 24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2403 334 687 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical 7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN 16509 2235 3628 1276 AMAZON-02, US 20115 2235 3097 506 CHARTER-20115, US 4766 2033 6035 954 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 4176 3907 BBIL-AP BHARTI Airtel Ltd., IN 24560 2859 2324 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 7552 2256 1802 VIETEL-AS-AP Viettel Group, VN 20115 2235 1729 CHARTER-20115, US 30036 2403 1716 MEDIACOM-ENTERPRISE-BUSINESS, US 8151 1856 1614 UNINET, MX 12389 2306 1526 ROSTELECOM-AS PJSC Rostelecom. Technical Team, 45609 1843 1523 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for 56041 1574 1500 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 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 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 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 103.12.68.0/22 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 /16:2488 /17:1329 /18:2812 /19:4418 /20:7642 /21:9453 /22:17272 /23:16515 /24:96234 /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 2088 2403 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1401 2306 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1317 1895 CABLEONE, US 8151 1025 1856 UNINET, MX 49505 595 859 SELECTEL, RU 20115 551 2235 CHARTER-20115, US 50010 514 616 NAWRAS-AS Sultanate of Oman, OM 36914 512 536 KENET-AS, KE 9123 501 618 TIMEWEB-AS, RU Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:200 2:321 3:102 5:1083 8:63 12:80 13:87 14:378 15:58 16:63 17:317 18:72 20:28 23:714 24:593 25:2 27:620 31:521 32:2 34:3 35:37 36:1433 37:662 38:529 39:700 40:1 41:248 42:144 43:686 44:21 45:2354 46:782 47:63 49:206 50:317 51:138 52:257 54:62 57:28 58:301 59:452 60:95 61:813 62:558 63:128 64:369 65:284 66:299 67:309 68:70 69:268 70:32 71:82 72:245 74:199 75:65 76:62 77:484 78:452 79:239 80:224 81:341 82:357 83:185 84:183 85:373 86:125 87:310 88:99 89:460 90:133 91:1401 92:447 93:931 94:773 95:1469 96:267 97:146 98:68 99:47 101:464 102:150 103:8112 104:367 105:179 106:287 107:108 108:142 109:466 110:232 111:2088 112:928 113:314 114:815 115:308 116:408 117:1387 118:440 119:256 120:1241 121:419 122:1752 123:457 124:330 125:1583 126:6 128:401 129:66 130:129 131:202 132:46 133:303 134:161 135:24 136:78 137:177 138:309 139:226 140:313 141:185 142:77 143:160 144:121 145:136 146:373 147:257 148:195 149:198 150:265 151:513 152:453 153:36 154:965 155:189 156:476 157:284 158:126 159:394 160:677 161:150 162:283 163:309 164:143 165:219 166:41 167:192 168:335 169:75 170:460 171:197 172:225 173:967 174:119 175:567 176:720 177:526 178:691 179:184 180:457 181:118 182:1585 183:1064 184:137 185:2250 186:206 187:464 188:593 189:292 190:469 191:93 192:1847 193:1125 194:914 195:741 196:286 197:397 198:759 199:556 200:776 201:532 202:2481 203:2242 204:284 205:264 206:304 207:317 208:238 209:312 210:1470 211:1147 212:769 213:511 214:2 216:369 217:564 218:807 219:65 220:568 221:360 222:135 223:1087 End of report