IPv4 R&E Routing Table Report 18:40 GMT Thu 23 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: 1020110 Prefixes after maximum aggregation (per Origin AS): 393410 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 498094 Number of IPv4 prefixes with a valid ROA: 586135 Number of IPv4 prefixes with an invalid ROA: 1935 Number of IPv4 prefixes with no ROA: 432040 Total ASes present in the Internet Routing Table: 77529 Prefixes per ASN: 13.16 Origin-only ASes present in the Internet Routing Table: 66448 Origin ASes announcing only one prefix: 27063 Transit ASes present in the Internet Routing Table: 11081 Transit-only ASes present in the Internet Routing Table: 559 Paths with bogon ASNs present in the IPv4 Routing Table: 134 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 60 Max AS path prepend of ASN (265605) 35 Prefixes from unregistered ASNs in the Routing Table: 1028 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 47788 Number of 32-bit ASNs visible in the Routing Table: 39226 Prefixes from 32-bit ASNs in the Routing Table: 215639 Number of bogon 32-bit ASNs visible in the Routing Table: 114 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 432 Number of addresses announced to Internet: 3112375040 Equivalent to 185 /8s, 131 /16s and 19 /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: 333738 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 272325 Total APNIC prefixes after maximum aggregation: 80616 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 261662 Unique aggregates announced from the APNIC address blocks: 105777 APNIC Region origin ASes present in the Internet Routing Table: 14853 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 4515 APNIC Region transit ASes present in the Internet Routing Table: 1978 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10416 Number of APNIC addresses announced to Internet: 751858176 Equivalent to 44 /8s, 208 /16s and 114 /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: 301705 Total ARIN prefixes after maximum aggregation: 134974 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 302605 Unique aggregates announced from the ARIN address blocks: 144622 ARIN Region origin ASes present in the Internet Routing Table: 19341 ARIN Prefixes per ASN: 15.65 ARIN Region origin ASes announcing only one prefix: 7092 ARIN Region transit ASes present in the Internet Routing Table: 1975 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: 5382 Number of ARIN addresses announced to Internet: 1352433152 Equivalent to 80 /8s, 156 /16s and 126 /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: 282484 Total RIPE prefixes after maximum aggregation: 139276 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 282407 Unique aggregates announced from the RIPE address blocks: 181546 RIPE Region origin ASes present in the Internet Routing Table: 29128 RIPE Prefixes per ASN: 9.70 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 4009 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12799 Number of RIPE addresses announced to Internet: 733282304 Equivalent to 43 /8s, 181 /16s and 0 /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: 125246 Total LACNIC prefixes after maximum aggregation: 30763 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 121320 Unique aggregates announced from the LACNIC address blocks: 49489 LACNIC Region origin ASes present in the Internet Routing Table: 11312 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2567 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: 9285 Number of LACNIC addresses announced to Internet: 170736896 Equivalent to 10 /8s, 45 /16s and 61 /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: 37322 Total AfriNIC prefixes after maximum aggregation: 7080 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 51684 Unique aggregates announced from the AfriNIC address blocks: 16283 AfriNIC Region origin ASes present in the Internet Routing Table: 1982 AfriNIC Prefixes per ASN: 26.08 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1344 Number of AfriNIC addresses announced to Internet: 103837952 Equivalent to 6 /8s, 48 /16s and 113 /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 13391 8730 117 CHINAMOBILE-CN China Mobile Communication 7545 6127 834 591 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4483 537 316 BBIL-AP BHARTI Airtel Ltd., IN 18403 4366 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3980 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3743 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3318 1869 100 VNPT-AS-VN VNPT Corp, VN 56046 3234 827 180 CMNET-JIANGSU-AP China Mobile communicati 24560 2935 863 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 9304 2523 516 1617 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 14360 41104 5384 AMAZON-02, US 11492 4773 322 789 CABLEONE, US 174 4726 8765 823 COGENT-174, US 22773 4280 3068 367 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3860 286 85 VIASAT-SP-BACKBONE, US 6327 3685 1320 82 SHAW, CA 396982 3276 4825 467 GOOGLE-CLOUD-PLATFORM, US 749 3218 54766 2469 DNIC-AS-00749, US 4155 3120 241 1748 USDA-1, US 16625 3015 1288 2201 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 7351 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 20940 4035 3395 127 AKAMAI-ASN1, NL 9009 4032 378 2283 M247, RO 12389 3117 2310 844 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2500 177 1809 CDNEXT, GB 34984 2416 363 577 TELLCOM-AS, TR 203020 1722 205 1005 HOSTROYALE, IN 8452 1676 1852 13 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 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 12440 3291 572 UNINET, MX 10620 3455 463 1098 Telmex Colombia S.A., CO 13999 2510 510 349 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1279 371 23 Telefonica del Peru S.A.A., PE 22884 1064 71 367 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1013 2486 56 TIM SA, BR 18881 900 1127 31 TELEFONICA BRASIL S.A, 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 1925 630 32 RAYA-AS, EG 36992 1513 1498 386 ETISALAT-MISR, EG 20011 1325 205 344 NTT-DATA-Inc, ZA 24863 1263 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1189 102 52 ORANGE-COTE-IVOIRE, CI 36935 1117 522 45 Vodafone-, EG 37069 1085 1096 13 MOBINIL, 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 14360 41104 5384 AMAZON-02, US 9808 13391 8730 117 CHINAMOBILE-CN China Mobile Communication 8151 12440 3291 572 UNINET, MX 12479 7351 1711 149 UNI2-AS, ES 7545 6127 834 591 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4773 322 789 CABLEONE, US 174 4726 8765 823 COGENT-174, US 9498 4483 537 316 BBIL-AP BHARTI Airtel Ltd., IN 18403 4366 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 13391 13274 CHINAMOBILE-CN China Mobile Communications Grou 8151 12440 11868 UNINET, MX 12479 7351 7202 UNI2-AS, ES 7545 6127 5536 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4767 ALJAWWALSTC-AS, SA 18403 4366 4341 FPT-AS-AP FPT Telecom Company, VN 9498 4483 4167 BBIL-AP BHARTI Airtel Ltd., IN 11492 4773 3984 CABLEONE, US 7552 3980 3952 VIETEL-AS-AP Viettel Group, VN 22773 4280 3913 ASN-CXA-ALL-CCI-22773-RDC, US 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 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 397015 UNALLOCATED 8.44.246.0/24 12025 IMDC-AS12025, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, 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 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 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 /12:301 /13:583 /14:1204 /15:2138 /16:13816 /17:8243 /18:13648 /19:24881 /20:44919 /21:52423 /22:113474 /23:105567 /24:638749 /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 6649 12440 UNINET, MX 12479 6310 7351 UNI2-AS, ES 11492 3586 4773 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3473 3685 SHAW, CA 7155 2819 3860 VIASAT-SP-BACKBONE, US 22773 2626 4280 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2427 14360 AMAZON-02, US 30036 2287 2629 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2210 3455 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) ---------------------------------------------- 1:2440 2:1568 3:945 4:10 5:4899 6:170 7:6 8:1540 9:6 11:172 12:1240 13:547 14:2662 15:402 16:303 17:390 18:907 20:599 21:4 22:188 23:8119 24:2611 25:2 27:2781 29:19 31:3353 32:33 33:1 34:88 35:279 36:4507 37:4569 38:10617 39:1103 40:480 41:4436 42:1940 43:2812 44:398 45:19302 46:5234 47:374 49:2142 50:2053 51:598 52:1631 54:358 55:1111 56:11 57:295 58:2286 59:1321 60:1194 61:3062 62:3085 63:1777 64:5838 65:2135 66:5648 67:3154 68:1472 69:4207 70:1042 71:641 72:2998 74:2886 75:1518 76:601 77:2792 78:1923 79:1750 80:2271 81:2146 82:3501 83:1480 84:1993 85:3587 86:1105 87:2396 88:1365 89:4528 90:813 91:8428 92:2820 93:2989 94:4172 95:4533 96:1516 97:313 98:948 99:754 100:71 101:1219 102:4535 103:32527 104:5463 105:1131 106:899 107:2777 108:1205 109:4244 110:2252 111:3830 112:2728 113:1876 114:2076 115:2262 116:2121 117:3036 118:3050 119:2027 120:2315 121:1500 122:2835 123:2362 124:1713 125:2907 126:124 128:1568 129:957 130:1435 131:2171 132:788 133:460 134:1626 135:369 136:1498 137:1142 138:2808 139:1590 140:1647 141:1560 142:2213 143:2090 144:1300 145:629 146:2181 147:2141 148:2759 149:2944 150:1293 151:2644 152:2219 153:579 154:8275 155:2202 156:3205 157:2018 158:1461 159:2606 160:3652 161:2006 162:3977 163:2308 164:1970 165:2579 166:1519 167:2120 168:3814 169:780 170:5389 171:1059 172:4507 173:3426 174:902 175:1365 176:3764 177:4775 178:4340 179:2286 180:2791 181:4303 182:3751 183:2563 184:2117 185:21774 186:5379 187:4694 188:4420 189:4400 190:9751 191:1577 192:11413 193:9505 194:7882 195:5619 196:3586 197:3895 198:6119 199:8804 200:8086 201:6359 202:10542 203:10732 204:4625 205:3633 206:4398 207:3715 208:4329 209:5379 210:4721 211:2716 212:4947 213:3962 214:1040 215:53 216:7184 217:3359 218:1597 219:416 220:2201 221:1258 222:756 223:3154 End of report