IPv4 R&E Routing Table Report 20:15 GMT Sat 13 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: 188096 Prefixes after maximum aggregation (per Origin AS): 82590 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 102729 Number of IPv4 prefixes with a valid ROA: 71766 Number of IPv4 prefixes with an invalid ROA: 29 Number of IPv4 prefixes with no ROA: 116301 Total ASes present in the Internet Routing Table: 16088 Prefixes per ASN: 11.69 Origin-only ASes present in the Internet Routing Table: 13981 Origin ASes announcing only one prefix: 6423 Transit ASes present in the Internet Routing Table: 2107 Transit-only ASes present in the Internet Routing Table: 586 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: 224 Number of instances of unregistered ASNs: 224 Number of 32-bit ASNs allocated by the RIRs: 43384 Number of 32-bit ASNs visible in the Routing Table: 5738 Prefixes from 32-bit ASNs in the Routing Table: 18816 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: 72 Number of addresses announced to Internet: 1070589801 Equivalent to 63 /8s, 207 /16s and 231 /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: 56786 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28123 Total APNIC prefixes after maximum aggregation: 6331 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 27986 Unique aggregates announced from the APNIC address blocks: 7147 APNIC Region origin ASes present in the Internet Routing Table: 1074 APNIC Prefixes per ASN: 26.06 APNIC Region origin ASes announcing only one prefix: 454 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: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 465 Number of APNIC addresses announced to Internet: 166764680 Equivalent to 9 /8s, 240 /16s and 160 /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: 83291 Total ARIN prefixes after maximum aggregation: 45737 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82293 Unique aggregates announced from the ARIN address blocks: 51388 ARIN Region origin ASes present in the Internet Routing Table: 7371 ARIN Prefixes per ASN: 11.16 ARIN Region origin ASes announcing only one prefix: 3178 ARIN Region transit ASes present in the Internet Routing Table: 651 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: 1499 Number of ARIN addresses announced to Internet: 605969633 Equivalent to 36 /8s, 30 /16s and 92 /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: 39901 Total RIPE prefixes after maximum aggregation: 18588 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40336 Unique aggregates announced from the RIPE address blocks: 26158 RIPE Region origin ASes present in the Internet Routing Table: 3759 RIPE Prefixes per ASN: 10.73 RIPE Region origin ASes announcing only one prefix: 1626 RIPE Region transit ASes present in the Internet Routing Table: 537 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: 1370 Number of RIPE addresses announced to Internet: 198239232 Equivalent to 11 /8s, 208 /16s and 228 /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: 31862 Total LACNIC prefixes after maximum aggregation: 10070 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31611 Unique aggregates announced from the LACNIC address blocks: 15276 LACNIC Region origin ASes present in the Internet Routing Table: 3006 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 1087 LACNIC Region transit ASes present in the Internet Routing Table: 586 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: 2307 Number of LACNIC addresses announced to Internet: 73510144 Equivalent to 4 /8s, 97 /16s and 173 /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: 1684 AfriNIC Deaggregation factor: 2.79 Prefixes being announced from the AfriNIC address blocks: 5798 Unique aggregates announced from the AfriNIC address blocks: 2690 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 28.56 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 54 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: 97 Number of AfriNIC addresses announced to Internet: 26071296 Equivalent to 1 /8s, 141 /16s and 209 /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 50 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 446 488 105 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 9482 11205 3364 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3825 1419 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1531 393 674 DNIC-ASBLK-05800-06055, US 4155 985 64 822 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 899 4811 303 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 732 60 22 Jordan Data Communications, JO 34984 710 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 430 73 180 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 5047 1501 902 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 980 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 13999 433 67 171 Mega Cable, S.A. de C.V., MX 27651 330 62 9 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 540 275 159 LINKdotNET-AS, EG 36914 524 82 3 KENET-AS, KE 29571 394 29 204 ORANGE-COTE-IVOIRE, CI 2018 370 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 36992 255 570 142 ETISALAT-MISR, EG 24835 214 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 327687 157 28 3 RENU, UG 37492 155 471 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 50 CHINAMOBILE-CN China Mobile Communicati 16509 9482 11205 3364 AMAZON-02, US 8151 5047 1501 902 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3825 1419 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1531 393 674 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 9482 6118 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5047 4145 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2952 1533 DNIC-ASBLK-00306-00371, US 56047 1486 1452 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1379 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 /12:79 /13:135 /14:370 /15:743 /16:5558 /17:2635 /18:2737 /19:5638 /20:9016 /21:10915 /22:20420 /23:20490 /24:109041 /25:79 /26:51 /27:71 /28:18 /29:21 /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 2671 5047 UNINET, MX 16509 1969 9482 AMAZON-02, US 209 962 1704 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1087 Telefonica del Peru S.A.A., PE 19901 666 803 BRSPD-PUBLIC, US 8376 573 732 Jordan Data Communications, JO 34984 562 710 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 2:470 3:250 5:1102 6:150 7:5 8:621 11:171 12:257 13:316 14:100 15:279 16:165 17:6 18:665 20:49 21:4 22:188 23:1798 24:531 25:2 27:15 29:19 31:243 32:2 34:2 35:52 36:1102 37:489 38:838 39:510 40:7 41:689 42:18 43:183 44:31 45:2348 46:602 47:149 49:14 50:275 51:468 52:1365 54:327 55:859 57:18 58:6 59:29 60:18 61:59 62:352 63:473 64:1545 65:820 66:1328 67:724 68:153 69:796 70:154 71:209 72:349 74:774 75:391 76:231 77:250 78:558 79:184 80:233 81:205 82:202 83:103 84:210 85:341 86:148 87:215 88:157 89:312 90:98 91:613 92:406 93:804 94:532 95:1111 96:172 97:37 98:127 99:149 100:42 101:21 102:187 103:954 104:735 105:15 106:2 107:215 108:352 109:233 110:33 111:1745 112:468 113:44 114:30 115:10 116:29 117:947 118:46 119:99 120:1068 121:33 122:81 123:20 124:55 125:12 128:349 129:293 130:499 131:880 132:507 133:264 134:323 135:66 136:365 137:423 138:697 139:455 140:503 141:180 142:696 143:589 144:313 145:87 146:486 147:332 148:589 149:520 150:284 151:535 152:360 153:113 154:401 155:665 156:310 157:240 158:300 159:538 160:549 161:457 162:711 163:272 164:621 165:400 166:110 167:373 168:933 169:153 170:1163 171:60 172:892 173:634 174:113 175:39 176:682 177:676 178:313 179:472 180:45 181:1057 182:11 183:861 184:207 185:2421 186:1023 187:750 188:604 189:1012 190:2982 191:208 192:3723 193:1399 194:909 195:703 196:478 197:657 198:1932 199:2826 200:2869 201:2435 202:906 203:589 204:1789 205:1605 206:1089 207:1084 208:996 209:1362 210:296 211:458 212:762 213:674 214:1064 215:37 216:1719 217:410 218:515 219:19 220:28 221:292 222:18 223:615 End of report