IPv4 R&E Routing Table Report 20:15 GMT Fri 06 Jun, 2025 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 264551 Prefixes after maximum aggregation (per Origin AS): 116156 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 135826 Number of IPv4 prefixes with a valid ROA: 119320 Number of IPv4 prefixes with an invalid ROA: 40 Number of IPv4 prefixes with no ROA: 145191 Total ASes present in the Internet Routing Table: 19945 Prefixes per ASN: 13.26 Origin-only ASes present in the Internet Routing Table: 17219 Origin ASes announcing only one prefix: 7808 Transit ASes present in the Internet Routing Table: 2726 Transit-only ASes present in the Internet Routing Table: 713 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 30 Max AS path prepend of ASN (265171) 25 Prefixes from unregistered ASNs in the Routing Table: 314 Number of instances of unregistered ASNs: 346 Number of 32-bit ASNs allocated by the RIRs: 46606 Number of 32-bit ASNs visible in the Routing Table: 7643 Prefixes from 32-bit ASNs in the Routing Table: 28665 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 106 Number of addresses announced to Internet: 1557513437 Equivalent to 92 /8s, 213 /16s and 196 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 42.1 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: 83593 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 32012 Total APNIC prefixes after maximum aggregation: 7184 APNIC Deaggregation factor: 4.46 Prefixes being announced from the APNIC address blocks: 31062 Unique aggregates announced from the APNIC address blocks: 7459 APNIC Region origin ASes present in the Internet Routing Table: 1191 APNIC Prefixes per ASN: 26.08 APNIC Region origin ASes announcing only one prefix: 465 APNIC Region transit ASes present in the Internet Routing Table: 192 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 555 Number of APNIC addresses announced to Internet: 166424684 Equivalent to 9 /8s, 235 /16s and 112 /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: 126273 Total ARIN prefixes after maximum aggregation: 66080 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 123544 Unique aggregates announced from the ARIN address blocks: 66622 ARIN Region origin ASes present in the Internet Routing Table: 9368 ARIN Prefixes per ASN: 13.19 ARIN Region origin ASes announcing only one prefix: 3917 ARIN Region transit ASes present in the Internet Routing Table: 868 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2200 Number of ARIN addresses announced to Internet: 960894689 Equivalent to 57 /8s, 70 /16s and 22 /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: 49416 Total RIPE prefixes after maximum aggregation: 26630 RIPE Deaggregation factor: 1.86 Prefixes being announced from the RIPE address blocks: 51318 Unique aggregates announced from the RIPE address blocks: 37309 RIPE Region origin ASes present in the Internet Routing Table: 4623 RIPE Prefixes per ASN: 11.10 RIPE Region origin ASes announcing only one prefix: 1937 RIPE Region transit ASes present in the Internet Routing Table: 692 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1910 Number of RIPE addresses announced to Internet: 285975632 Equivalent to 17 /8s, 11 /16s and 164 /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: 45381 Total LACNIC prefixes after maximum aggregation: 13671 LACNIC Deaggregation factor: 3.32 Prefixes being announced from the LACNIC address blocks: 44561 Unique aggregates announced from the LACNIC address blocks: 20461 LACNIC Region origin ASes present in the Internet Routing Table: 3635 LACNIC Prefixes per ASN: 12.26 LACNIC Region origin ASes announcing only one prefix: 1377 LACNIC Region transit ASes present in the Internet Routing Table: 763 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2821 Number of LACNIC addresses announced to Internet: 97346112 Equivalent to 5 /8s, 205 /16s and 98 /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: 11155 Total AfriNIC prefixes after maximum aggregation: 2382 AfriNIC Deaggregation factor: 4.68 Prefixes being announced from the AfriNIC address blocks: 13960 Unique aggregates announced from the AfriNIC address blocks: 3870 AfriNIC Region origin ASes present in the Internet Routing Table: 291 AfriNIC Prefixes per ASN: 47.97 AfriNIC Region origin ASes announcing only one prefix: 112 AfriNIC Region transit ASes present in the Internet Routing Table: 74 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 46828800 Equivalent to 2 /8s, 202 /16s and 141 /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 10879 8756 96 CHINAMOBILE-CN China Mobile Communication 56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati 56041 1632 718 90 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1484 192 50 CMNET-HUNAN-AP China Mobile communication 24547 867 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 605 2170 465 SINET-AS Research Organization of Informa 24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 480 804 160 ALIBABA-CN-NET Alibaba US Technology Co., 17676 464 8751 151 GIGAINFRA SoftBank Corp., JP Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13633 40826 5202 AMAZON-02, US 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2789 212 1706 USDA-1, US 36352 2556 210 1126 AS-COLOCROSSING, US 367 2445 2910 1175 DNIC-ASBLK-00306-00371, US 7018 2060 22881 1514 ATT-INTERNET4, US 11776 1900 259 211 ATLANTICBB-JOHNSTOWN, US 6167 1896 3905 505 CELLCO-PART, US 209 1660 4889 271 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 1936 130 50 ALJAWWALSTC-AS, SA 20940 1163 91 948 AKAMAI-ASN1, NL 3257 1000 2081 782 GTT-BACKBONE GTT, US 3215 894 4818 289 France Telecom - Orange, FR 25019 817 1301 129 SAUDINETSTC-AS, SA 8452 791 1841 16 TE-AS TE-AS, EG 34984 672 73 407 TELLCOM-AS, TR 212238 627 45 553 CDNEXT, GB 203214 607 45 395 HULUMTELE, IQ 8376 574 53 21 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7405 1999 946 UNINET, MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 10620 1902 281 1294 Telmex Colombia S.A., CO 3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1199 371 22 Telefonica del Peru S.A.A., PE 26615 1034 2503 52 TIM SA, BR 18881 884 1127 31 TELEFONICA BRASIL S.A, BR 22884 655 42 412 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE 27651 628 90 34 ENTEL CHILE S.A., CL Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1463 389 16 LINKdotNET-AS, EG 29571 1153 100 74 ORANGE-COTE-IVOIRE, CI 24835 1053 535 35 RAYA-AS, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36992 604 1228 124 ETISALAT-MISR, EG 36935 577 122 154 Vodafone-, EG 36914 550 82 3 KENET-AS, KE 36903 480 223 338 MT-MPLS, MA 37069 469 1046 15 MOBINIL, EG 2018 374 318 69 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13633 40826 5202 AMAZON-02, US 9808 10879 8756 96 CHINAMOBILE-CN China Mobile Communication 8151 7405 1999 946 UNINET, MX 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2789 212 1706 USDA-1, US 36352 2556 210 1126 AS-COLOCROSSING, US 367 2445 2910 1175 DNIC-ASBLK-00306-00371, US 7018 2060 22881 1514 ATT-INTERNET4, US 56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 10879 10783 CHINAMOBILE-CN China Mobile Communications Grou 8151 7405 6459 UNINET, MX 22773 3346 3180 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1991 1927 Instituto Costarricense de Electricidad y Telec 39891 1936 1886 ALJAWWALSTC-AS, SA 56046 2050 1862 CMNET-JIANGSU-AP China Mobile communications co 11776 1900 1689 ATLANTICBB-JOHNSTOWN, US 56041 1632 1542 CMNET-ZHEJIANG-AP China Mobile communications c 24863 1463 1447 LINKdotNET-AS, EG 56047 1484 1434 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-DATA-2914, US 41.204.224.0/24 Origin: 36911 RESERVED, ZZ 41.204.224.0/24 Transit: 328766 RESERVED, ZZ 41.204.226.0/24 Origin: 36911 RESERVED, ZZ 41.204.226.0/24 Transit: 328766 RESERVED, ZZ Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:30 /11:41 /12:150 /13:209 /14:573 /15:1102 /16:7636 /17:3434 /18:4215 /19:7633 /20:12523 /21:15271 /22:27595 /23:28059 /24:155835 /25:62 /26:81 /27:34 /28:13 /29:16 /30:10 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3937 7405 UNINET, MX 22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2388 13633 AMAZON-02, US 11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR 10620 1082 1902 Telmex Colombia S.A., CO 39891 1081 1936 ALJAWWALSTC-AS, SA 36352 1035 2556 AS-COLOCROSSING, US 19901 987 1281 BRSPD-PUBLIC, US 209 964 1660 CENTURYLINK-US-LEGACY-QWEST, US 11776 883 1900 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:19 2:467 3:801 4:5 5:786 6:155 7:5 8:669 11:171 12:992 13:382 14:115 15:307 16:247 17:6 18:887 20:187 21:4 22:188 23:2604 24:642 27:22 29:19 31:522 32:9 33:1 34:10 35:181 36:1866 37:1013 38:1908 39:552 40:63 41:977 42:21 43:215 44:34 45:3610 46:974 47:82 49:19 50:352 51:387 52:1399 54:318 55:1094 56:11 57:19 58:16 59:30 60:16 61:75 62:544 63:748 64:1977 65:1095 66:1532 67:992 68:402 69:1129 70:476 71:198 72:720 74:943 75:320 76:248 77:490 78:348 79:244 80:296 81:360 82:725 83:233 84:341 85:438 86:233 87:204 88:296 89:783 90:104 91:940 92:637 93:422 94:919 95:665 96:289 97:53 98:458 99:188 100:36 101:20 102:341 103:1220 104:1666 105:207 106:3 107:1558 108:555 109:396 110:35 111:1922 112:521 113:39 114:40 115:24 116:57 117:1041 118:67 119:87 120:1272 121:43 122:67 123:78 124:61 125:25 128:499 129:397 130:682 131:936 132:570 133:211 134:494 135:112 136:598 137:505 138:908 139:438 140:704 141:463 142:1032 143:695 144:429 145:147 146:685 147:517 148:916 149:793 150:355 151:640 152:496 153:130 154:1191 155:860 156:1083 157:371 158:550 159:726 160:872 161:620 162:989 163:484 164:721 165:786 166:792 167:652 168:1138 169:160 170:1592 171:126 172:1398 173:808 174:284 175:65 176:785 177:883 178:516 179:691 180:41 181:1807 182:27 183:966 184:452 185:3540 186:2097 187:1674 188:825 189:1793 190:4182 191:458 192:5203 193:1898 194:1247 195:936 196:687 197:1590 198:2754 199:4947 200:3590 201:3286 202:957 203:711 204:2165 205:1969 206:1528 207:1525 208:1448 209:1892 210:295 211:424 212:989 213:775 214:986 215:42 216:2549 217:420 218:527 219:18 220:28 221:378 222:24 223:865 End of report