IPv4 R&E Routing Table Report 20:30 GMT Fri 06 Jun, 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: 160300 Prefixes after maximum aggregation (per Origin AS): 63785 Deaggregation factor: 2.51 Unique aggregates announced (without unneeded subnets): 90486 Number of IPv4 prefixes with a valid ROA: 88385 Number of IPv4 prefixes with an invalid ROA: 79 Number of IPv4 prefixes with no ROA: 71836 Total ASes present in the Internet Routing Table: 14723 Prefixes per ASN: 10.89 Origin-only ASes present in the Internet Routing Table: 12455 Origin ASes announcing only one prefix: 6049 Transit ASes present in the Internet Routing Table: 2268 Transit-only ASes present in the Internet Routing Table: 496 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: 45 Max AS path prepend of ASN (212940) 40 Prefixes from unregistered ASNs in the Routing Table: 70 Number of instances of unregistered ASNs: 70 Number of 32-bit ASNs allocated by the RIRs: 46606 Number of 32-bit ASNs visible in the Routing Table: 7259 Prefixes from 32-bit ASNs in the Routing Table: 30153 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: 35 Number of addresses announced to Internet: 504642816 Equivalent to 30 /8s, 20 /16s and 61 /24s Percentage of available address space announced: 13.6 Percentage of allocated address space announced: 13.6 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: 39363 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79145 Total APNIC prefixes after maximum aggregation: 25092 APNIC Deaggregation factor: 3.15 Prefixes being announced from the APNIC address blocks: 77386 Unique aggregates announced from the APNIC address blocks: 36613 APNIC Region origin ASes present in the Internet Routing Table: 5000 APNIC Prefixes per ASN: 15.48 APNIC Region origin ASes announcing only one prefix: 1852 APNIC Region transit ASes present in the Internet Routing Table: 744 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3200 Number of APNIC addresses announced to Internet: 188410112 Equivalent to 11 /8s, 58 /16s and 233 /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: 26841 Total ARIN prefixes after maximum aggregation: 14611 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 26518 Unique aggregates announced from the ARIN address blocks: 20530 ARIN Region origin ASes present in the Internet Routing Table: 2139 ARIN Prefixes per ASN: 12.40 ARIN Region origin ASes announcing only one prefix: 1006 ARIN Region transit ASes present in the Internet Routing Table: 215 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: 476 Number of ARIN addresses announced to Internet: 166968064 Equivalent to 9 /8s, 243 /16s and 187 /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: 40702 Total RIPE prefixes after maximum aggregation: 19242 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 41462 Unique aggregates announced from the RIPE address blocks: 26032 RIPE Region origin ASes present in the Internet Routing Table: 4750 RIPE Prefixes per ASN: 8.73 RIPE Region origin ASes announcing only one prefix: 2211 RIPE Region transit ASes present in the Internet Routing Table: 688 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: 1686 Number of RIPE addresses announced to Internet: 125707776 Equivalent to 7 /8s, 126 /16s and 38 /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: 11945 Total LACNIC prefixes after maximum aggregation: 4405 LACNIC Deaggregation factor: 2.71 Prefixes being announced from the LACNIC address blocks: 11449 Unique aggregates announced from the LACNIC address blocks: 5611 LACNIC Region origin ASes present in the Internet Routing Table: 2216 LACNIC Prefixes per ASN: 5.17 LACNIC Region origin ASes announcing only one prefix: 940 LACNIC Region transit ASes present in the Internet Routing Table: 483 Average LACNIC Region AS path length visible: 7.5 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1847 Number of LACNIC addresses announced to Internet: 17657600 Equivalent to 1 /8s, 13 /16s and 111 /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: 1597 Total AfriNIC prefixes after maximum aggregation: 385 AfriNIC Deaggregation factor: 4.15 Prefixes being announced from the AfriNIC address blocks: 3450 Unique aggregates announced from the AfriNIC address blocks: 1670 AfriNIC Region origin ASes present in the Internet Routing Table: 102 AfriNIC Prefixes per ASN: 33.82 AfriNIC Region origin ASes announcing only one prefix: 40 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 7.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 50 Number of AfriNIC addresses announced to Internet: 5879808 Equivalent to 0 /8s, 89 /16s and 184 /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 10883 8756 98 CHINAMOBILE-CN China Mobile Communication 9498 4242 500 296 BBIL-AP BHARTI Airtel Ltd., IN 24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN 56046 2057 812 180 CMNET-JIANGSU-AP China Mobile communicati 4766 1979 6032 920 KIXS-AS-KR Korea Telecom, KR 45609 1853 826 324 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56041 1637 728 86 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1484 192 50 CMNET-HUNAN-AP China Mobile communication 9919 971 170 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 2426 336 651 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2275 3696 1306 AMAZON-02, US 20115 2243 3096 513 CHARTER-20115, US 11492 1942 135 1048 CABLEONE, US 714 1242 4391 8 APPLE-ENGINEERING, US 8075 739 16019 625 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1882 301 TWC-10796-MIDWEST, US 12083 581 192 88 WOW-INTERNET, US 2152 401 45 267 CENIC-2152, US 33363 388 1424 215 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 2348 1992 781 ROSTELECOM-AS PJSC Rostelecom. Technical 25019 888 623 324 SAUDINETSTC-AS, SA 49505 861 92 355 SELECTEL, RU 9123 653 41 293 TIMEWEB-AS, RU 50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 487 191 179 KAZTELECOM-AS, KZ 9155 428 37 9 QNET Kuwait, KW 21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan 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 1675 563 227 UNINET, MX 7738 510 1527 64 V tal, BR 8167 342 1089 44 V tal, BR 1916 241 177 40 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 125 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 550 82 3 KENET-AS, KE 2018 374 318 69 TENET-1, ZA 30999 74 25 32 EMTEL-AS-AP, MU 15399 71 6 26 WANANCHI-, KE 23889 55 37 31 MauritiusTelecom, MU 8094 47 48 18 PUKNET, ZA 37473 44 4 2 TELESOM, SO 10798 38 2 30 SBICSA, ZA 37215 36 8 1 MAREN, MW 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 10883 8756 98 CHINAMOBILE-CN China Mobile Communication 9498 4242 500 296 BBIL-AP BHARTI Airtel Ltd., IN 39891 4180 255 53 ALJAWWALSTC-AS, SA 24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2426 336 651 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 2348 1992 781 ROSTELECOM-AS PJSC Rostelecom. Technical 16509 2275 3696 1306 AMAZON-02, US 20115 2243 3096 513 CHARTER-20115, US 7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN 56046 2057 812 180 CMNET-JIANGSU-AP China Mobile communicati 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 4242 3946 BBIL-AP BHARTI Airtel Ltd., IN 24560 2878 2350 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 56046 2057 1877 CMNET-JIANGSU-AP China Mobile communications co 30036 2426 1775 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2243 1730 CHARTER-20115, US 7552 2151 1694 VIETEL-AS-AP Viettel Group, VN 12389 2348 1567 ROSTELECOM-AS PJSC Rostelecom. Technical Team, 56041 1637 1551 CMNET-ZHEJIANG-AP China Mobile communications c 45609 1853 1529 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 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 103.12.68.0/22 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 /14:162 /15:395 /16:2473 /17:1298 /18:2751 /19:4396 /20:7657 /21:9517 /22:17462 /23:16780 /24:97250 /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 2109 2426 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1439 2348 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1334 1942 CABLEONE, US 8151 950 1675 UNINET, MX 49505 598 861 SELECTEL, RU 20115 550 2243 CHARTER-20115, US 9123 531 653 TIMEWEB-AS, RU 36914 526 550 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) ---------------------------------------------- 1:161 2:323 3:105 5:1114 8:80 12:71 13:93 14:399 15:60 16:63 17:325 18:74 20:28 23:733 24:599 25:2 27:609 31:550 32:2 34:3 35:52 36:1969 37:644 38:529 39:695 40:1 41:247 42:118 43:677 44:24 45:2335 46:791 47:63 49:209 50:326 51:136 52:259 54:62 57:28 58:263 59:460 60:95 61:787 62:563 63:130 64:356 65:164 66:315 67:291 68:73 69:260 70:46 71:82 72:241 74:216 75:68 76:62 77:500 78:458 79:250 80:229 81:343 82:378 83:196 84:196 85:406 86:138 87:319 88:107 89:485 90:136 91:1410 92:464 93:956 94:785 95:1478 96:269 97:145 98:71 99:47 101:481 102:112 103:7927 104:384 105:9 106:292 107:110 108:175 109:455 110:224 111:2116 112:1003 113:299 114:841 115:373 116:434 117:1377 118:336 119:240 120:1340 121:424 122:1728 123:391 124:328 125:1595 126:6 128:377 129:61 130:125 131:204 132:52 133:302 134:165 135:22 136:78 137:166 138:313 139:128 140:326 141:151 142:83 143:166 144:117 145:148 146:332 147:221 148:350 149:193 150:220 151:538 152:454 153:38 154:896 155:199 156:479 157:274 158:131 159:382 160:634 161:152 162:275 163:334 164:168 165:230 166:43 167:170 168:572 169:75 170:455 171:194 172:240 173:989 174:124 175:560 176:744 177:472 178:718 179:175 180:452 181:158 182:1640 183:1135 184:138 185:2325 186:211 187:486 188:605 189:267 190:475 191:98 192:1890 193:1126 194:906 195:797 196:313 197:375 198:772 199:526 200:800 201:483 202:2423 203:2191 204:284 205:266 206:318 207:322 208:244 209:314 210:1478 211:1150 212:773 213:531 216:355 217:556 218:814 219:56 220:572 221:428 222:132 223:1253 End of report