IPv4 R&E Routing Table Report 20:15 GMT Thu 30 Jan, 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: 257134 Prefixes after maximum aggregation (per Origin AS): 111784 Deaggregation factor: 2.30 Unique aggregates announced (without unneeded subnets): 135255 Number of IPv4 prefixes with a valid ROA: 114602 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 142513 Total ASes present in the Internet Routing Table: 20026 Prefixes per ASN: 12.84 Origin-only ASes present in the Internet Routing Table: 17200 Origin ASes announcing only one prefix: 7689 Transit ASes present in the Internet Routing Table: 2826 Transit-only ASes present in the Internet Routing Table: 731 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 293 Number of instances of unregistered ASNs: 294 Number of 32-bit ASNs allocated by the RIRs: 46076 Number of 32-bit ASNs visible in the Routing Table: 7840 Prefixes from 32-bit ASNs in the Routing Table: 29732 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 147 Number of addresses announced to Internet: 1523565821 Equivalent to 90 /8s, 207 /16s and 196 /24s Percentage of available address space announced: 41.2 Percentage of allocated address space announced: 41.2 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: 81438 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31779 Total APNIC prefixes after maximum aggregation: 7787 APNIC Deaggregation factor: 4.08 Prefixes being announced from the APNIC address blocks: 30486 Unique aggregates announced from the APNIC address blocks: 8092 APNIC Region origin ASes present in the Internet Routing Table: 1143 APNIC Prefixes per ASN: 26.67 APNIC Region origin ASes announcing only one prefix: 435 APNIC Region transit ASes present in the Internet Routing Table: 226 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 500 Number of APNIC addresses announced to Internet: 169082732 Equivalent to 10 /8s, 19 /16s and 255 /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, 131072-153913 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: 119215 Total ARIN prefixes after maximum aggregation: 61395 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 117565 Unique aggregates announced from the ARIN address blocks: 62997 ARIN Region origin ASes present in the Internet Routing Table: 9086 ARIN Prefixes per ASN: 12.94 ARIN Region origin ASes announcing only one prefix: 3830 ARIN Region transit ASes present in the Internet Routing Table: 841 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2051 Number of ARIN addresses announced to Internet: 952146817 Equivalent to 56 /8s, 192 /16s and 155 /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: 45370 Total RIPE prefixes after maximum aggregation: 24663 RIPE Deaggregation factor: 1.84 Prefixes being announced from the RIPE address blocks: 47005 Unique aggregates announced from the RIPE address blocks: 34577 RIPE Region origin ASes present in the Internet Routing Table: 4364 RIPE Prefixes per ASN: 10.77 RIPE Region origin ASes announcing only one prefix: 1827 RIPE Region transit ASes present in the Internet Routing Table: 653 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1754 Number of RIPE addresses announced to Internet: 262569936 Equivalent to 15 /8s, 166 /16s and 127 /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: 49978 Total LACNIC prefixes after maximum aggregation: 15052 LACNIC Deaggregation factor: 3.32 Prefixes being announced from the LACNIC address blocks: 48717 Unique aggregates announced from the LACNIC address blocks: 23306 LACNIC Region origin ASes present in the Internet Routing Table: 4285 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 1471 LACNIC Region transit ASes present in the Internet Routing Table: 895 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3383 Number of LACNIC addresses announced to Internet: 99334464 Equivalent to 5 /8s, 235 /16s and 185 /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: 10499 Total AfriNIC prefixes after maximum aggregation: 2680 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 13214 Unique aggregates announced from the AfriNIC address blocks: 6158 AfriNIC Region origin ASes present in the Internet Routing Table: 292 AfriNIC Prefixes per ASN: 45.25 AfriNIC Region origin ASes announcing only one prefix: 126 AfriNIC Region transit ASes present in the Internet Routing Table: 74 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152 Number of AfriNIC addresses announced to Internet: 40363008 Equivalent to 2 /8s, 103 /16s and 228 /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 10151 8753 87 CHINAMOBILE-CN China Mobile Communication 56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati 56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication 24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 17561 651 41 418 LCS-AS-AP LARUS Limited, HK 2907 642 2202 464 SINET-AS Research Organization of Informa 24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 465 741 134 ALIBABA-CN-NET Alibaba US Technology Co., 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 12686 38940 3722 AMAZON-02, US 22773 3378 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 367 2550 3017 1226 DNIC-ASBLK-00306-00371, US 7018 2524 23071 1789 ATT-INTERNET4, US 4155 2341 167 1420 USDA-1, US 36352 2145 179 956 AS-COLOCROSSING, US 11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US 6167 1740 3431 442 CELLCO-PART, US 209 1683 4892 286 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 1225 95 981 AKAMAI-ASN1, NL 3215 891 4818 289 France Telecom - Orange, FR 3257 791 2069 694 GTT-BACKBONE GTT, US 25019 647 1024 134 SAUDINETSTC-AS, SA 8452 625 1756 123 TE-AS TE-AS, EG 8376 580 54 24 Jordan Data Communications, JO 51167 566 112 249 CONTABO, DE 212238 542 39 479 CDNEXT, GB 47524 479 70 221 AS-TURKSAT, TR 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 5876 1678 784 UNINET, MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 10620 1763 262 1244 Telmex Colombia S.A., CO 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1105 371 22 Telefonica del Peru S.A.A., PE 26615 1001 2503 53 TIM SA, BR 18881 868 1127 31 TELEFONICA BRASIL S.A, BR 27651 725 106 50 ENTEL CHILE S.A., CL 28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE 26599 560 2888 72 TELEFONICA BRASIL S.A, BR 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 1522 389 16 LINKdotNET-AS, EG 29571 1028 75 388 ORANGE-COTE-IVOIRE, CI 20011 978 180 282 INTERNET-SOLUTIONS, ZA 24835 800 381 135 RAYA-AS, EG 37069 640 1031 15 MOBINIL, EG 36992 637 1225 129 ETISALAT-MISR, EG 36935 572 519 46 Vodafone-, EG 36914 546 82 3 KENET-AS, KE 36903 396 185 288 MT-MPLS, MA 2018 379 319 71 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 12686 38940 3722 AMAZON-02, US 9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication 8151 5876 1678 784 UNINET, MX 22773 3378 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 367 2550 3017 1226 DNIC-ASBLK-00306-00371, US 7018 2524 23071 1789 ATT-INTERNET4, US 4155 2341 167 1420 USDA-1, US 36352 2145 179 956 AS-COLOCROSSING, US 11830 1992 369 64 Instituto Costarricense de Electricidad y 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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou 8151 5876 5092 UNINET, MX 22773 3378 3198 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1992 1928 Instituto Costarricense de Electricidad y Telec 39891 1936 1886 ALJAWWALSTC-AS, SA 11776 1888 1672 ATLANTICBB-JOHNSTOWN, US 24863 1522 1506 LINKdotNET-AS, EG 56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp 209 1683 1397 CENTURYLINK-US-LEGACY-QWEST, US 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 53966 UNALLOCATED 8.39.98.0/24 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 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 23.133.108.0/24 Origin: 20473 AS-VULTR, US 23.133.108.0/24 Transit: 2914 NTT-LTD-2914, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 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 /10:29 /11:40 /12:145 /13:207 /14:557 /15:1082 /16:7492 /17:3386 /18:4128 /19:7502 /20:12315 /21:14902 /22:27431 /23:27338 /24:150347 /25:48 /26:77 /27:38 /28:17 /29:16 /30:10 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3145 5876 UNINET, MX 22773 2517 3378 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12686 AMAZON-02, US 11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR 39891 1081 1936 ALJAWWALSTC-AS, SA 10620 991 1763 Telmex Colombia S.A., CO 7018 990 2524 ATT-INTERNET4, US 209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US 19901 907 1117 BRSPD-PUBLIC, US 11776 895 1888 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:60 2:465 3:563 4:5 5:776 6:152 7:5 8:655 11:171 12:975 13:296 14:112 15:296 16:234 17:5 18:882 20:157 21:4 22:188 23:2351 24:689 27:29 29:19 31:408 32:19 34:8 35:108 36:1227 37:653 38:2065 39:540 40:53 41:1023 42:209 43:165 44:32 45:3816 46:945 47:88 49:27 50:359 51:374 52:1384 54:286 55:1135 56:9 57:16 58:32 59:28 60:16 61:76 62:525 63:766 64:1808 65:1091 66:1568 67:942 68:425 69:1189 70:432 71:204 72:657 74:911 75:429 76:247 77:450 78:305 79:286 80:266 81:330 82:440 83:197 84:322 85:492 86:215 87:230 88:243 89:765 90:62 91:953 92:634 93:435 94:835 95:530 96:239 97:55 98:469 99:162 100:36 101:28 102:321 103:947 104:1142 105:122 106:36 107:1417 108:509 109:378 110:30 111:1913 112:458 113:39 114:49 115:24 116:55 117:1049 118:167 119:115 120:1165 121:40 122:122 123:147 124:54 125:24 126:1 128:448 129:275 130:655 131:942 132:565 133:212 134:434 135:114 136:586 137:495 138:1000 139:390 140:698 141:444 142:917 143:685 144:403 145:70 146:627 147:489 148:742 149:637 150:364 151:673 152:674 153:124 154:1155 155:764 156:1337 157:366 158:478 159:653 160:820 161:578 162:934 163:354 164:724 165:802 166:616 167:643 168:1584 169:145 170:1652 171:100 172:1178 173:783 174:230 175:43 176:421 177:1257 178:497 179:816 180:69 181:1919 182:44 183:874 184:454 185:3165 186:2408 187:1193 188:747 189:1491 190:5045 191:491 192:4921 193:1716 194:1127 195:882 196:738 197:1623 198:2553 199:4605 200:3975 201:3318 202:974 203:683 204:2063 205:1979 206:1559 207:1462 208:1276 209:1858 210:312 211:426 212:898 213:712 214:1004 215:36 216:2421 217:413 218:523 219:22 220:25 221:301 222:30 223:732 End of report