IPv4 R&E Routing Table Report 18:40 GMT Tue 14 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: 1021257 Prefixes after maximum aggregation (per Origin AS): 392315 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 496926 Number of IPv4 prefixes with a valid ROA: 586413 Number of IPv4 prefixes with an invalid ROA: 2455 Number of IPv4 prefixes with no ROA: 432389 Total ASes present in the Internet Routing Table: 77531 Prefixes per ASN: 13.17 Origin-only ASes present in the Internet Routing Table: 66439 Origin ASes announcing only one prefix: 27040 Transit ASes present in the Internet Routing Table: 11092 Transit-only ASes present in the Internet Routing Table: 556 Paths with bogon ASNs present in the IPv4 Routing Table: 240 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: 1078 Number of instances of unregistered ASNs: 1161 Number of 32-bit ASNs allocated by the RIRs: 47697 Number of 32-bit ASNs visible in the Routing Table: 39193 Prefixes from 32-bit ASNs in the Routing Table: 215131 Number of bogon 32-bit ASNs visible in the Routing Table: 208 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3112339456 Equivalent to 185 /8s, 130 /16s and 136 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 334513 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272684 Total APNIC prefixes after maximum aggregation: 80243 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 262227 Unique aggregates announced from the APNIC address blocks: 105658 APNIC Region origin ASes present in the Internet Routing Table: 14846 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 4513 APNIC Region transit ASes present in the Internet Routing Table: 1979 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10408 Number of APNIC addresses announced to Internet: 752086784 Equivalent to 44 /8s, 211 /16s and 239 /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: 299936 Total ARIN prefixes after maximum aggregation: 134706 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 300946 Unique aggregates announced from the ARIN address blocks: 144050 ARIN Region origin ASes present in the Internet Routing Table: 19339 ARIN Prefixes per ASN: 15.56 ARIN Region origin ASes announcing only one prefix: 7086 ARIN Region transit ASes present in the Internet Routing Table: 1974 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: 5366 Number of ARIN addresses announced to Internet: 1352492800 Equivalent to 80 /8s, 157 /16s and 103 /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: 284919 Total RIPE prefixes after maximum aggregation: 139189 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 284699 Unique aggregates announced from the RIPE address blocks: 181207 RIPE Region origin ASes present in the Internet Routing Table: 29129 RIPE Prefixes per ASN: 9.77 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 4006 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12792 Number of RIPE addresses announced to Internet: 732812032 Equivalent to 43 /8s, 173 /16s and 211 /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: 125494 Total LACNIC prefixes after maximum aggregation: 30392 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 121624 Unique aggregates announced from the LACNIC address blocks: 49400 LACNIC Region origin ASes present in the Internet Routing Table: 11315 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2556 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: 9282 Number of LACNIC addresses announced to Internet: 170765824 Equivalent to 10 /8s, 45 /16s and 174 /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: 37146 Total AfriNIC prefixes after maximum aggregation: 7060 AfriNIC Deaggregation factor: 5.26 Prefixes being announced from the AfriNIC address blocks: 51292 Unique aggregates announced from the AfriNIC address blocks: 16201 AfriNIC Region origin ASes present in the Internet Routing Table: 1982 AfriNIC Prefixes per ASN: 25.88 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 390 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: 1345 Number of AfriNIC addresses announced to Internet: 103935232 Equivalent to 6 /8s, 49 /16s and 237 /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 13827 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6182 834 601 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4402 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3976 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3714 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 101 VNPT-AS-VN VNPT Corp, VN 56046 3136 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2931 863 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2521 516 1634 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 14292 40988 5348 AMAZON-02, US 174 4905 8767 804 COGENT-174, US 11492 4770 322 786 CABLEONE, US 22773 4112 3074 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3875 287 91 VIASAT-SP-BACKBONE, US 6327 3683 1320 82 SHAW, CA 396982 3272 4824 463 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3118 242 1748 USDA-1, US 16625 3039 1301 2212 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 7406 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4043 3395 127 AKAMAI-ASN1, NL 9009 3993 374 2248 M247, RO 12389 3141 2313 867 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2631 585 28 EMIRATES-INTERNET Emirates Internet, AE 212238 2512 180 1825 CDNEXT, GB 34984 2415 363 576 TELLCOM-AS, TR 203020 1689 198 994 HOSTROYALE, IN 8452 1651 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 12384 3284 577 UNINET, MX 10620 3477 468 1087 Telmex Colombia S.A., CO 13999 2529 511 346 Mega Cable, S.A. de C.V., MX 11830 1988 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1271 371 23 Telefonica del Peru S.A.A., PE 11664 1229 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1063 71 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 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 1767 594 28 RAYA-AS, EG 36992 1512 1498 385 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 24863 1250 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 1010 523 47 Vodafone-, EG 36914 577 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 14292 40988 5348 AMAZON-02, US 9808 13827 8759 114 CHINAMOBILE-CN China Mobile Communication 8151 12384 3284 577 UNINET, MX 12479 7406 1711 149 UNI2-AS, ES 7545 6182 834 601 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4905 8767 804 COGENT-174, US 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4770 322 786 CABLEONE, US 9498 4481 537 315 BBIL-AP BHARTI Airtel Ltd., IN 18403 4402 347 25 FPT-AS-AP FPT Telecom Company, VN 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 13827 13713 CHINAMOBILE-CN China Mobile Communications Grou 8151 12384 11807 UNINET, MX 12479 7406 7257 UNI2-AS, ES 7545 6182 5581 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4402 4377 FPT-AS-AP FPT Telecom Company, VN 9498 4481 4166 BBIL-AP BHARTI Airtel Ltd., IN 174 4905 4101 COGENT-174, US 11492 4770 3984 CABLEONE, US 7552 3976 3948 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 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 3356 LEVEL3, 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 397015 UNALLOCATED 8.44.246.0/24 12025 IMDC-AS12025, 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 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, 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 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 /12:301 /13:583 /14:1203 /15:2142 /16:13839 /17:8303 /18:13650 /19:24890 /20:44995 /21:52641 /22:113692 /23:106307 /24:638547 /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 6600 12384 UNINET, MX 12479 6372 7406 UNI2-AS, ES 11492 3583 4770 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3472 3683 SHAW, CA 7155 2833 3875 VIASAT-SP-BACKBONE, US 22773 2587 4112 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2393 14292 AMAZON-02, US 30036 2306 2646 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2212 3477 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) ---------------------------------------------- 1:2446 2:1678 3:940 4:10 5:4985 6:170 7:6 8:1553 9:6 11:172 12:1242 13:563 14:2652 15:403 16:304 17:391 18:908 20:595 21:4 22:188 23:8003 24:2705 25:2 27:2786 29:19 31:3454 32:34 33:1 34:88 35:278 36:4466 37:4598 38:10563 39:1112 40:479 41:4504 42:1955 43:2805 44:394 45:19328 46:5242 47:377 49:2130 50:2063 51:597 52:1593 54:360 55:1092 56:11 57:293 58:2293 59:1331 60:1195 61:3097 62:3089 63:1781 64:5687 65:2128 66:5133 67:3126 68:1235 69:4107 70:1047 71:638 72:3020 74:2872 75:1513 76:608 77:2796 78:1923 79:1748 80:2273 81:2142 82:3491 83:1529 84:2006 85:3536 86:1201 87:2402 88:1367 89:4546 90:814 91:8416 92:2887 93:2988 94:4260 95:4544 96:1514 97:312 98:950 99:755 100:71 101:1467 102:4524 103:32618 104:5463 105:1072 106:894 107:2738 108:1211 109:4250 110:2251 111:3803 112:2712 113:1879 114:2081 115:2339 116:2142 117:3045 118:3055 119:2013 120:2301 121:1503 122:2834 123:2441 124:1733 125:2907 126:125 128:1572 129:1005 130:1416 131:2179 132:788 133:462 134:1624 135:368 136:1496 137:1140 138:2838 139:1605 140:1646 141:1550 142:2163 143:2092 144:1288 145:629 146:2183 147:2148 148:2753 149:2997 150:1293 151:2629 152:2181 153:575 154:8089 155:2121 156:3206 157:2017 158:1441 159:2607 160:3642 161:1996 162:3977 163:2308 164:1970 165:2568 166:1572 167:2115 168:3834 169:786 170:5389 171:1058 172:4501 173:3421 174:908 175:1370 176:3810 177:4827 178:4310 179:2306 180:2785 181:4273 182:3747 183:2564 184:2110 185:21831 186:5374 187:4720 188:4419 189:4412 190:9785 191:1570 192:11420 193:9524 194:7925 195:5702 196:3614 197:3920 198:6103 199:8811 200:8087 201:6366 202:10548 203:10720 204:4611 205:3650 206:4433 207:3583 208:4328 209:5340 210:4722 211:2714 212:4883 213:3946 214:1035 215:52 216:6989 217:3508 218:1599 219:415 220:2199 221:1249 222:753 223:3119 End of report