IPv4 R&E Routing Table Report 20:15 GMT Thu 11 Jan, 2024 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: 187514 Prefixes after maximum aggregation (per Origin AS): 82451 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 102472 Number of IPv4 prefixes with a valid ROA: 71753 Number of IPv4 prefixes with an invalid ROA: 30 Number of IPv4 prefixes with no ROA: 115731 Total ASes present in the Internet Routing Table: 16040 Prefixes per ASN: 11.69 Origin-only ASes present in the Internet Routing Table: 13943 Origin ASes announcing only one prefix: 6414 Transit ASes present in the Internet Routing Table: 2097 Transit-only ASes present in the Internet Routing Table: 575 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 27 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 241 Number of instances of unregistered ASNs: 241 Number of 32-bit ASNs allocated by the RIRs: 43351 Number of 32-bit ASNs visible in the Routing Table: 5709 Prefixes from 32-bit ASNs in the Routing Table: 18663 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 78 Number of addresses announced to Internet: 1069363817 Equivalent to 63 /8s, 189 /16s and 50 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56411 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28095 Total APNIC prefixes after maximum aggregation: 6324 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 27958 Unique aggregates announced from the APNIC address blocks: 7134 APNIC Region origin ASes present in the Internet Routing Table: 1072 APNIC Prefixes per ASN: 26.08 APNIC Region origin ASes announcing only one prefix: 449 APNIC Region transit ASes present in the Internet Routing Table: 177 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 462 Number of APNIC addresses announced to Internet: 165353864 Equivalent to 9 /8s, 219 /16s and 25 /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: 83179 Total ARIN prefixes after maximum aggregation: 45729 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82168 Unique aggregates announced from the ARIN address blocks: 51336 ARIN Region origin ASes present in the Internet Routing Table: 7360 ARIN Prefixes per ASN: 11.16 ARIN Region origin ASes announcing only one prefix: 3168 ARIN Region transit ASes present in the Internet Routing Table: 654 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: 1493 Number of ARIN addresses announced to Internet: 606261729 Equivalent to 36 /8s, 34 /16s and 209 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 40003 Total RIPE prefixes after maximum aggregation: 18664 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 40451 Unique aggregates announced from the RIPE address blocks: 26221 RIPE Region origin ASes present in the Internet Routing Table: 3764 RIPE Prefixes per ASN: 10.75 RIPE Region origin ASes announcing only one prefix: 1631 RIPE Region transit ASes present in the Internet Routing Table: 540 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1379 Number of RIPE addresses announced to Internet: 198352384 Equivalent to 11 /8s, 210 /16s and 158 /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, 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: 31301 Total LACNIC prefixes after maximum aggregation: 9873 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 31060 Unique aggregates announced from the LACNIC address blocks: 15028 LACNIC Region origin ASes present in the Internet Routing Table: 2970 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 1085 LACNIC Region transit ASes present in the Internet Routing Table: 578 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2277 Number of LACNIC addresses announced to Internet: 73286400 Equivalent to 4 /8s, 94 /16s and 67 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 4695 Total AfriNIC prefixes after maximum aggregation: 1675 AfriNIC Deaggregation factor: 2.80 Prefixes being announced from the AfriNIC address blocks: 5799 Unique aggregates announced from the AfriNIC address blocks: 2681 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 28.43 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 98 Number of AfriNIC addresses announced to Internet: 26070272 Equivalent to 1 /8s, 141 /16s and 205 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9590 8738 49 CHINAMOBILE-CN China Mobile Communicati 56047 1486 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1429 842 106 CMNET-JIANGSU-AP China Mobile communica 24547 771 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 602 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 445 488 104 CMNET-GUANGDONG-AP China Mobile communi 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 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 9469 11200 3374 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2964 3830 1427 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1706 4899 326 CENTURYLINK-US-LEGACY-QWEST, US 5972 1532 394 675 DNIC-ASBLK-05800-06055, US 4155 968 63 808 USDA-1, US 855 961 255 82 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 957 438 875 AKAMAI-AS, 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1406 119 1129 AKAMAI-ASN1, NL 3215 900 4811 304 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 732 60 22 Jordan Data Communications, JO 34984 711 80 445 TELLCOM-AS, TR 15897 567 183 24 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 8452 460 1329 11 TE-AS TE-AS, EG 51167 429 72 179 CONTABO, DE 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 5041 1501 903 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 985 1120 28 TELEFONICA BRASIL S.A, BR 11664 576 108 216 Techtel LMDS Comunicaciones Interactiva 26599 557 2957 46 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 27651 330 62 9 ENTEL CHILE S.A., CL 27775 301 15 9 Telecommunicationcompany Suriname - Tel 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 541 277 165 LINKdotNET-AS, EG 36914 524 82 3 KENET-AS, KE 29571 391 29 202 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36992 266 570 142 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 327687 159 28 3 RENU, UG 37492 151 471 43 ORANGE-, TN 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 9808 9590 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9469 11200 3374 AMAZON-02, US 8151 5041 1501 903 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2964 3830 1427 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1706 4899 326 CENTURYLINK-US-LEGACY-QWEST, US 5972 1532 394 675 DNIC-ASBLK-05800-06055, US 56047 1486 188 34 CMNET-HUNAN-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 16509 9469 6095 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5041 4138 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2964 1537 DNIC-ASBLK-00306-00371, US 56047 1486 1452 CMNET-HUNAN-AP China Mobile communications corp 209 1706 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1429 1323 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1109 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 64.16.112.0/21 Origin: 3561 CENTURYLINK-LEGACY-SAVVIS, US 64.16.112.0/21 Transit: 209 CENTURYLINK-US-LEGACY-QWEST, US 64.68.36.0/24 Origin: 53334 TUT-AS, US 64.68.36.0/24 Transit: 2914 NTT-LTD-2914, 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 /8:11 /9:4 /10:14 /11:29 /12:78 /13:135 /14:370 /15:743 /16:5548 /17:2629 /18:2746 /19:5636 /20:9023 /21:10907 /22:20399 /23:20382 /24:108598 /25:79 /26:51 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2665 5041 UNINET, MX 16509 1962 9469 AMAZON-02, US 209 962 1706 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 658 794 BRSPD-PUBLIC, US 8376 573 732 Jordan Data Communications, JO 34984 562 711 TELLCOM-AS, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:471 3:249 5:1103 6:151 7:5 8:619 11:171 12:257 13:315 14:100 15:279 16:164 17:6 18:664 20:49 21:4 22:188 23:1796 24:527 25:2 27:15 29:19 31:256 32:2 34:2 35:52 36:1103 37:487 38:839 39:510 40:7 41:693 42:18 43:186 44:33 45:2340 46:605 47:149 49:14 50:275 51:468 52:1365 54:331 55:870 57:18 58:6 59:29 60:18 61:59 62:351 63:471 64:1526 65:817 66:1345 67:718 68:153 69:762 70:154 71:209 72:349 74:764 75:388 76:209 77:249 78:558 79:183 80:234 81:204 82:205 83:101 84:210 85:341 86:149 87:216 88:157 89:312 90:98 91:612 92:406 93:802 94:528 95:1115 96:171 97:37 98:127 99:148 100:43 101:20 102:179 103:957 104:737 105:15 106:2 107:215 108:351 109:234 110:31 111:1745 112:468 113:45 114:30 115:10 116:30 117:947 118:53 119:99 120:1068 121:33 122:81 123:20 124:55 125:12 128:350 129:292 130:500 131:876 132:513 133:264 134:323 135:69 136:362 137:425 138:695 139:454 140:502 141:176 142:696 143:597 144:314 145:86 146:488 147:332 148:588 149:512 150:279 151:535 152:359 153:113 154:404 155:666 156:311 157:240 158:300 159:543 160:549 161:455 162:698 163:272 164:620 165:388 166:111 167:374 168:934 169:153 170:1156 171:60 172:890 173:639 174:112 175:39 176:683 177:591 178:314 179:478 180:45 181:1056 182:11 183:861 184:207 185:2418 186:1024 187:739 188:603 189:974 190:2905 191:205 192:3709 193:1395 194:904 195:705 196:473 197:646 198:1934 199:2811 200:2813 201:2395 202:898 203:589 204:1781 205:1599 206:1105 207:1084 208:994 209:1360 210:295 211:457 212:775 213:674 214:1066 215:37 216:1718 217:409 218:515 219:19 220:28 221:292 222:18 223:615 End of report