IPv4 R&E Routing Table Report 18:40 GMT Sun 05 Oct, 2025 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 1017839 Prefixes after maximum aggregation (per Origin AS): 390670 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 495319 Number of IPv4 prefixes with a valid ROA: 583128 Number of IPv4 prefixes with an invalid ROA: 2433 Number of IPv4 prefixes with no ROA: 432278 Total ASes present in the Internet Routing Table: 77434 Prefixes per ASN: 13.14 Origin-only ASes present in the Internet Routing Table: 66332 Origin ASes announcing only one prefix: 26998 Transit ASes present in the Internet Routing Table: 11102 Transit-only ASes present in the Internet Routing Table: 553 Paths with bogon ASNs present in the IPv4 Routing Table: 163 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 56 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 1043 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 47653 Number of 32-bit ASNs visible in the Routing Table: 39100 Prefixes from 32-bit ASNs in the Routing Table: 213533 Number of bogon 32-bit ASNs visible in the Routing Table: 136 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 432 Number of addresses announced to Internet: 3111491072 Equivalent to 185 /8s, 117 /16s and 150 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 333562 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271568 Total APNIC prefixes after maximum aggregation: 79792 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 261270 Unique aggregates announced from the APNIC address blocks: 105577 APNIC Region origin ASes present in the Internet Routing Table: 14819 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 4499 APNIC Region transit ASes present in the Internet Routing Table: 1986 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10380 Number of APNIC addresses announced to Internet: 751598080 Equivalent to 44 /8s, 204 /16s and 122 /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: 297835 Total ARIN prefixes after maximum aggregation: 134096 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 299301 Unique aggregates announced from the ARIN address blocks: 142942 ARIN Region origin ASes present in the Internet Routing Table: 19317 ARIN Prefixes per ASN: 15.49 ARIN Region origin ASes announcing only one prefix: 7084 ARIN Region transit ASes present in the Internet Routing Table: 1979 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5343 Number of ARIN addresses announced to Internet: 1351504384 Equivalent to 80 /8s, 142 /16s and 82 /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: 284663 Total RIPE prefixes after maximum aggregation: 138657 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 283985 Unique aggregates announced from the RIPE address blocks: 180746 RIPE Region origin ASes present in the Internet Routing Table: 29104 RIPE Prefixes per ASN: 9.76 RIPE Region origin ASes announcing only one prefix: 12080 RIPE Region transit ASes present in the Internet Routing Table: 4020 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12768 Number of RIPE addresses announced to Internet: 733100544 Equivalent to 43 /8s, 178 /16s and 58 /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: 125552 Total LACNIC prefixes after maximum aggregation: 30378 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 121758 Unique aggregates announced from the LACNIC address blocks: 49443 LACNIC Region origin ASes present in the Internet Routing Table: 11305 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2530 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9267 Number of LACNIC addresses announced to Internet: 170829312 Equivalent to 10 /8s, 46 /16s and 166 /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: 37178 Total AfriNIC prefixes after maximum aggregation: 7041 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 51093 Unique aggregates announced from the AfriNIC address blocks: 16228 AfriNIC Region origin ASes present in the Internet Routing Table: 1976 AfriNIC Prefixes per ASN: 25.86 AfriNIC Region origin ASes announcing only one prefix: 686 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 56 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1342 Number of AfriNIC addresses announced to Internet: 104223744 Equivalent to 6 /8s, 54 /16s and 84 /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 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 7545 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4523 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3959 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3752 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3319 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3116 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2930 863 500 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2371 505 1512 HUTCHISON-AS-AP HGC Global Communications Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14289 40992 5374 AMAZON-02, US 174 4910 8770 812 COGENT-174, US 11492 4752 320 794 CABLEONE, US 22773 3976 3065 332 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3676 1320 82 SHAW, CA 396982 3269 4823 463 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3087 239 1715 USDA-1, US 16625 3048 1303 2217 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7428 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4045 3395 127 AKAMAI-ASN1, NL 9009 3990 374 2246 M247, RO 12389 3140 2315 868 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2629 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2461 176 1785 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1870 201 899 HOSTROYALE, IN 8452 1653 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12379 3278 574 UNINET, MX 10620 3500 474 1069 Telmex Colombia S.A., CO 13999 2544 511 346 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1369 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1222 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1178 371 23 Telefonica del Peru S.A.A., PE 22884 1067 71 352 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 2486 56 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1770 616 28 RAYA-AS, EG 36992 1508 1498 383 ETISALAT-MISR, EG 20011 1324 205 344 NTT-DATA-Inc, ZA 36903 1250 554 97 MT-MPLS, MA 24863 1249 389 20 LINKdotNET-AS, EG 29571 1188 102 53 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 950 520 42 Vodafone-, EG 36914 574 82 3 KENET-AS, KE 3741 567 725 321 NTT-DATA-Inc, ZA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14289 40992 5374 AMAZON-02, US 9808 13677 8759 113 CHINAMOBILE-CN China Mobile Communication 8151 12379 3278 574 UNINET, MX 12479 7428 1711 149 UNI2-AS, ES 7545 6178 834 599 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4910 8770 812 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4752 320 794 CABLEONE, US 18403 4523 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4474 536 315 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13677 13564 CHINAMOBILE-CN China Mobile Communications Grou 8151 12379 11805 UNINET, MX 12479 7428 7279 UNI2-AS, ES 7545 6178 5579 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4523 4497 FPT-AS-AP FPT Telecom Company, VN 9498 4474 4159 BBIL-AP BHARTI Airtel Ltd., IN 174 4910 4098 COGENT-174, US 11492 4752 3958 CABLEONE, US 7552 3959 3931 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 21859 ZEN-ECN, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE Complete listing at https://bgp.nsrc.org/REN/RENU/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 /8:16 /9:14 /10:41 /11:93 /12:302 /13:583 /14:1204 /15:2141 /16:13848 /17:8298 /18:13641 /19:24845 /20:45027 /21:52573 /22:113626 /23:106051 /24:635536 /25:0 /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 8151 6602 12379 UNINET, MX 12479 6394 7428 UNI2-AS, ES 11492 3565 4752 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3466 3676 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2525 3976 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2387 14289 AMAZON-02, US 30036 2291 2631 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2213 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2449 2:1673 3:947 4:10 5:4986 6:169 7:6 8:1552 9:6 11:172 12:1244 13:562 14:2644 15:402 16:304 17:392 18:908 20:593 21:4 22:188 23:7952 24:2703 25:2 27:2781 29:19 31:3473 32:34 33:1 34:88 35:276 36:4455 37:4598 38:10573 39:1095 40:299 41:4546 42:2023 43:2790 44:388 45:19103 46:5252 47:344 49:2068 50:2055 51:595 52:1591 54:359 55:1108 56:11 57:294 58:2262 59:1331 60:1194 61:3090 62:3098 63:1784 64:5678 65:2143 66:4995 67:3116 68:1101 69:4031 70:1046 71:645 72:3000 74:2872 75:1504 76:603 77:2800 78:1923 79:1749 80:2273 81:2122 82:3454 83:1521 84:2002 85:3545 86:1201 87:2389 88:1367 89:4525 90:809 91:8422 92:2860 93:2993 94:4278 95:4497 96:1516 97:310 98:953 99:734 100:71 101:1466 102:4510 103:32640 104:5375 105:1062 106:895 107:2668 108:1213 109:4242 110:2250 111:3775 112:2662 113:1890 114:2001 115:2341 116:2134 117:2942 118:3074 119:2009 120:2271 121:1371 122:2844 123:2440 124:1737 125:2907 126:93 128:1571 129:1001 130:1287 131:2142 132:783 133:461 134:1613 135:369 136:1497 137:1137 138:2813 139:1606 140:1647 141:1546 142:2039 143:2053 144:1284 145:627 146:2181 147:2133 148:2744 149:2976 150:1289 151:2572 152:2175 153:574 154:7778 155:2060 156:3556 157:2021 158:1431 159:2596 160:3587 161:1997 162:3954 163:2304 164:2146 165:2577 166:1566 167:2101 168:3842 169:785 170:5362 171:1026 172:4278 173:3388 174:911 175:1370 176:3856 177:4786 178:4273 179:2333 180:2660 181:4252 182:3725 183:2554 184:2100 185:21845 186:5396 187:4741 188:4347 189:4423 190:9763 191:1541 192:11417 193:9501 194:7913 195:5700 196:3599 197:3921 198:6112 199:8734 200:8125 201:6360 202:10516 203:10700 204:4591 205:3639 206:4421 207:3568 208:4335 209:5320 210:4746 211:2706 212:4849 213:3930 214:1035 215:52 216:6934 217:3498 218:1586 219:414 220:2198 221:1235 222:752 223:3072 End of report