IPv4 R&E Routing Table Report 20:30 GMT Tue 24 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: 157208 Prefixes after maximum aggregation (per Origin AS): 62375 Deaggregation factor: 2.52 Unique aggregates announced (without unneeded subnets): 88493 Number of IPv4 prefixes with a valid ROA: 86105 Number of IPv4 prefixes with an invalid ROA: 73 Number of IPv4 prefixes with no ROA: 71030 Total ASes present in the Internet Routing Table: 14463 Prefixes per ASN: 10.87 Origin-only ASes present in the Internet Routing Table: 12212 Origin ASes announcing only one prefix: 5912 Transit ASes present in the Internet Routing Table: 2251 Transit-only ASes present in the Internet Routing Table: 527 Paths with bogon ASNs present in the IPv4 Routing Table: 6 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) 40 Prefixes from unregistered ASNs in the Routing Table: 76 Number of instances of unregistered ASNs: 81 Number of 32-bit ASNs allocated by the RIRs: 46698 Number of 32-bit ASNs visible in the Routing Table: 7183 Prefixes from 32-bit ASNs in the Routing Table: 29883 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 32 Number of addresses announced to Internet: 492566784 Equivalent to 29 /8s, 91 /16s and 249 /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: 39323 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76425 Total APNIC prefixes after maximum aggregation: 23933 APNIC Deaggregation factor: 3.19 Prefixes being announced from the APNIC address blocks: 74533 Unique aggregates announced from the APNIC address blocks: 34668 APNIC Region origin ASes present in the Internet Routing Table: 4823 APNIC Prefixes per ASN: 15.45 APNIC Region origin ASes announcing only one prefix: 1813 APNIC Region transit ASes present in the Internet Routing Table: 732 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3091 Number of APNIC addresses announced to Internet: 182328576 Equivalent to 10 /8s, 222 /16s and 29 /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: 26629 Total ARIN prefixes after maximum aggregation: 14417 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 26095 Unique aggregates announced from the ARIN address blocks: 20391 ARIN Region origin ASes present in the Internet Routing Table: 2087 ARIN Prefixes per ASN: 12.50 ARIN Region origin ASes announcing only one prefix: 978 ARIN Region transit ASes present in the Internet Routing Table: 218 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: 475 Number of ARIN addresses announced to Internet: 161315840 Equivalent to 9 /8s, 157 /16s and 124 /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: 39940 Total RIPE prefixes after maximum aggregation: 19025 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 40845 Unique aggregates announced from the RIPE address blocks: 25788 RIPE Region origin ASes present in the Internet Routing Table: 4631 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 2144 RIPE Region transit ASes present in the Internet Routing Table: 662 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: 1654 Number of RIPE addresses announced to Internet: 124873216 Equivalent to 7 /8s, 113 /16s and 106 /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: 12562 Total LACNIC prefixes after maximum aggregation: 4561 LACNIC Deaggregation factor: 2.75 Prefixes being announced from the LACNIC address blocks: 12256 Unique aggregates announced from the LACNIC address blocks: 5982 LACNIC Region origin ASes present in the Internet Routing Table: 2268 LACNIC Prefixes per ASN: 5.40 LACNIC Region origin ASes announcing only one prefix: 933 LACNIC Region transit ASes present in the Internet Routing Table: 502 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1909 Number of LACNIC addresses announced to Internet: 18257920 Equivalent to 1 /8s, 22 /16s and 152 /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: 1576 Total AfriNIC prefixes after maximum aggregation: 384 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 3447 Unique aggregates announced from the AfriNIC address blocks: 1637 AfriNIC Region origin ASes present in the Internet Routing Table: 103 AfriNIC Prefixes per ASN: 33.47 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 31 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: 54 Number of AfriNIC addresses announced to Internet: 5772288 Equivalent to 0 /8s, 88 /16s and 20 /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 11187 8761 112 CHINAMOBILE-CN China Mobile Communication 9498 4265 501 300 BBIL-AP BHARTI Airtel Ltd., IN 24560 2890 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2140 812 180 CMNET-JIANGSU-AP China Mobile communicati 4766 1955 6031 920 KIXS-AS-KR Korea Telecom, KR 45609 1859 827 326 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. 56041 1675 728 86 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1482 192 50 CMNET-HUNAN-AP China Mobile communication 9919 968 169 63 NCIC-TW New Century InfoComm Tech Co., Lt 24547 867 176 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 2441 338 624 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2299 3712 1322 AMAZON-02, US 20115 2244 3097 509 CHARTER-20115, US 11492 1955 135 1055 CABLEONE, US 714 1244 4391 8 APPLE-ENGINEERING, US 8075 770 16022 650 MICROSOFT-CORP-MSN-AS-BLOCK, US 10796 639 1882 301 TWC-10796-MIDWEST, US 12083 572 192 88 WOW-INTERNET, US 2152 418 48 266 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 4162 253 56 ALJAWWALSTC-AS, SA 12389 2352 1991 785 ROSTELECOM-AS PJSC Rostelecom. Technical 49505 952 100 406 SELECTEL, RU 25019 889 623 335 SAUDINETSTC-AS, SA 9123 671 42 303 TIMEWEB-AS, RU 50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM 9198 472 189 173 KAZTELECOM-AS, KZ 9155 425 37 9 QNET Kuwait, KW 21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan 50340 376 38 239 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 2220 711 309 UNINET, MX 8167 342 1089 44 V tal, BR 7738 297 939 71 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 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 568 82 3 KENET-AS, KE 2018 375 318 69 TENET-1, ZA 30999 74 25 32 EMTEL-AS-AP, MU 15399 72 6 27 WANANCHI-, KE 23889 55 37 31 MauritiusTelecom, MU 10798 54 3 36 SBICSA, ZA 8094 47 48 18 PUKNET, ZA 37215 37 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 328543 19 4 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 11187 8761 112 CHINAMOBILE-CN China Mobile Communication 9498 4265 501 300 BBIL-AP BHARTI Airtel Ltd., IN 39891 4162 253 56 ALJAWWALSTC-AS, SA 24560 2890 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 30036 2441 338 624 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 2352 1991 785 ROSTELECOM-AS PJSC Rostelecom. Technical 16509 2299 3712 1322 AMAZON-02, US 20115 2244 3097 509 CHARTER-20115, US 8151 2220 711 309 UNINET, MX 56046 2140 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 4162 4106 ALJAWWALSTC-AS, SA 9498 4265 3965 BBIL-AP BHARTI Airtel Ltd., IN 24560 2890 2357 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem 56046 2140 1960 CMNET-JIANGSU-AP China Mobile communications co 8151 2220 1911 UNINET, MX 30036 2441 1817 MEDIACOM-ENTERPRISE-BUSINESS, US 20115 2244 1735 CHARTER-20115, US 56041 1675 1589 CMNET-ZHEJIANG-AP China Mobile communications c 12389 2352 1567 ROSTELECOM-AS PJSC Rostelecom. Technical Team, 45609 1859 1533 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 45.160.144.0/24 264161 FGTECH INFORMATICA LTDA 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 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 /12:46 /13:79 /14:147 /15:389 /16:2351 /17:1286 /18:2568 /19:4380 /20:7472 /21:8927 /22:16772 /23:16242 /24:96519 /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 4162 ALJAWWALSTC-AS, SA 30036 2124 2441 MEDIACOM-ENTERPRISE-BUSINESS, US 12389 1445 2352 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU 11492 1347 1955 CABLEONE, US 8151 1214 2220 UNINET, MX 49505 666 952 SELECTEL, RU 20115 549 2244 CHARTER-20115, US 9123 545 671 TIMEWEB-AS, RU 36914 544 568 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) ---------------------------------------------- 1:160 2:323 3:108 5:1125 8:72 12:74 13:92 14:393 15:59 16:63 17:328 18:74 20:28 23:756 24:605 25:2 27:514 31:535 32:2 34:3 35:51 36:2064 37:637 38:566 39:674 40:1 41:251 42:100 43:689 44:22 45:2456 46:789 47:60 49:256 50:326 51:136 52:258 54:62 57:28 58:279 59:440 60:95 61:780 62:568 63:129 64:361 65:176 66:315 67:291 68:73 69:260 70:46 71:80 72:244 74:215 75:66 76:62 77:490 78:458 79:247 80:229 81:346 82:397 83:182 84:190 85:459 86:127 87:325 88:100 89:469 90:136 91:1349 92:467 93:937 94:789 95:1468 96:273 97:145 98:74 99:47 101:467 102:112 103:7680 104:377 105:9 106:289 107:101 108:175 109:460 110:228 111:2145 112:996 113:279 114:825 115:303 116:342 117:1197 118:294 119:220 120:1436 121:420 122:1750 123:388 124:315 125:1548 126:4 128:381 129:67 130:121 131:202 132:60 133:304 134:138 135:23 136:75 137:170 138:325 139:124 140:328 141:150 142:82 143:173 144:123 145:148 146:339 147:221 148:351 149:219 150:226 151:519 152:453 153:37 154:872 155:204 156:505 157:268 158:122 159:387 160:626 161:138 162:273 163:338 164:168 165:241 166:45 167:174 168:578 169:77 170:477 171:52 172:236 173:1002 174:126 175:575 176:732 177:535 178:706 179:158 180:436 181:157 182:1655 183:1170 184:139 185:2283 186:235 187:588 188:604 189:313 190:460 191:95 192:1793 193:1115 194:914 195:779 196:319 197:387 198:726 199:474 200:796 201:548 202:2416 203:2099 204:270 205:263 206:322 207:321 208:239 209:302 210:1380 211:1156 212:749 213:532 216:349 217:564 218:811 219:68 220:554 221:451 222:134 223:1293 End of report