IPv4 R&E Routing Table Report 20:15 GMT Fri 19 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: 188400 Prefixes after maximum aggregation (per Origin AS): 82672 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 102912 Number of IPv4 prefixes with a valid ROA: 71737 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 116641 Total ASes present in the Internet Routing Table: 16152 Prefixes per ASN: 11.66 Origin-only ASes present in the Internet Routing Table: 14016 Origin ASes announcing only one prefix: 6428 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 597 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: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 43424 Number of 32-bit ASNs visible in the Routing Table: 5792 Prefixes from 32-bit ASNs in the Routing Table: 19014 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: 77 Number of addresses announced to Internet: 1071193769 Equivalent to 63 /8s, 217 /16s and 30 /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: 56735 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28029 Total APNIC prefixes after maximum aggregation: 6266 APNIC Deaggregation factor: 4.47 Prefixes being announced from the APNIC address blocks: 27847 Unique aggregates announced from the APNIC address blocks: 7060 APNIC Region origin ASes present in the Internet Routing Table: 1056 APNIC Prefixes per ASN: 26.37 APNIC Region origin ASes announcing only one prefix: 438 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 457 Number of APNIC addresses announced to Internet: 166344584 Equivalent to 9 /8s, 234 /16s and 55 /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: 83360 Total ARIN prefixes after maximum aggregation: 45903 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82425 Unique aggregates announced from the ARIN address blocks: 51545 ARIN Region origin ASes present in the Internet Routing Table: 7392 ARIN Prefixes per ASN: 11.15 ARIN Region origin ASes announcing only one prefix: 3183 ARIN Region transit ASes present in the Internet Routing Table: 657 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: 1507 Number of ARIN addresses announced to Internet: 606254561 Equivalent to 36 /8s, 34 /16s and 181 /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: 39794 Total RIPE prefixes after maximum aggregation: 18466 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40008 Unique aggregates announced from the RIPE address blocks: 26080 RIPE Region origin ASes present in the Internet Routing Table: 3736 RIPE Prefixes per ASN: 10.71 RIPE Region origin ASes announcing only one prefix: 1608 RIPE Region transit ASes present in the Internet Routing Table: 534 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: 1367 Number of RIPE addresses announced to Internet: 196382272 Equivalent to 11 /8s, 180 /16s and 142 /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: 32501 Total LACNIC prefixes after maximum aggregation: 10198 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 32252 Unique aggregates announced from the LACNIC address blocks: 15610 LACNIC Region origin ASes present in the Internet Routing Table: 3075 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 1119 LACNIC Region transit ASes present in the Internet Routing Table: 604 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: 2366 Number of LACNIC addresses announced to Internet: 74150400 Equivalent to 4 /8s, 107 /16s and 114 /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: 4485 Total AfriNIC prefixes after maximum aggregation: 1652 AfriNIC Deaggregation factor: 2.71 Prefixes being announced from the AfriNIC address blocks: 5791 Unique aggregates announced from the AfriNIC address blocks: 2542 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 28.53 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 95 Number of AfriNIC addresses announced to Internet: 28021760 Equivalent to 1 /8s, 171 /16s and 148 /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 9591 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1437 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1431 842 107 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 599 2161 464 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 445 488 104 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 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 9463 11196 3389 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2967 3832 1430 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 4155 1042 68 860 USDA-1, US 855 963 255 83 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 938 433 863 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 1403 119 1127 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 730 60 22 Jordan Data Communications, JO 34984 698 78 433 TELLCOM-AS, TR 8452 668 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 433 75 183 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 5258 1555 941 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 576 107 219 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 432 67 174 Mega Cable, S.A. de C.V., MX 27651 329 62 8 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 528 272 150 LINKdotNET-AS, EG 36914 475 82 3 KENET-AS, KE 29571 396 29 204 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 293 651 161 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 327687 163 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 9591 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9463 11196 3389 AMAZON-02, US 8151 5258 1555 941 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2967 3832 1430 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 56047 1469 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 9463 6074 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5258 4317 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2967 1537 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1437 1364 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1431 1324 CMNET-JIANGSU-AP China Mobile communications co 3816 1305 1108 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 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 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 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 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 /11:30 /12:78 /13:135 /14:369 /15:742 /16:5552 /17:2600 /18:2754 /19:5725 /20:8938 /21:10954 /22:20526 /23:20561 /24:109148 /25:79 /26:50 /27:69 /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 2822 5258 UNINET, MX 16509 1972 9463 AMAZON-02, US 209 962 1703 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1089 Telefonica del Peru S.A.A., PE 19901 666 803 BRSPD-PUBLIC, US 8376 572 730 Jordan Data Communications, JO 34984 550 698 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 2:448 3:252 5:1105 6:150 7:5 8:620 11:171 12:256 13:313 14:100 15:279 16:165 17:6 18:664 20:49 21:4 22:188 23:1800 24:539 25:2 27:15 29:19 31:240 32:2 34:2 35:52 36:1101 37:496 38:833 39:511 40:7 41:601 42:12 43:176 44:29 45:2338 46:610 47:150 49:14 50:293 51:468 52:1365 54:322 55:859 57:18 58:6 59:30 60:19 61:59 62:343 63:476 64:1533 65:814 66:1319 67:725 68:153 69:765 70:157 71:210 72:364 74:762 75:389 76:212 77:252 78:552 79:184 80:235 81:204 82:189 83:102 84:215 85:310 86:149 87:216 88:158 89:312 90:96 91:609 92:399 93:795 94:523 95:1113 96:171 97:36 98:129 99:148 100:41 101:21 102:184 103:937 104:739 105:16 106:2 107:203 108:352 109:234 110:31 111:1730 112:468 113:43 114:30 115:10 116:26 117:947 118:46 119:100 120:1070 121:32 122:81 123:20 124:55 125:12 128:351 129:292 130:501 131:885 132:507 133:264 134:331 135:67 136:365 137:419 138:717 139:459 140:508 141:179 142:726 143:608 144:315 145:79 146:486 147:330 148:579 149:513 150:283 151:533 152:354 153:113 154:460 155:658 156:308 157:235 158:300 159:539 160:541 161:461 162:702 163:270 164:621 165:393 166:110 167:379 168:974 169:148 170:1184 171:60 172:891 173:636 174:113 175:38 176:678 177:716 178:318 179:483 180:44 181:1059 182:10 183:858 184:215 185:2422 186:1024 187:753 188:603 189:1002 190:3000 191:215 192:3733 193:1383 194:904 195:685 196:470 197:542 198:1943 199:2910 200:2901 201:2570 202:891 203:590 204:1789 205:1616 206:1100 207:1097 208:995 209:1379 210:293 211:458 212:764 213:680 214:1065 215:37 216:1758 217:404 218:515 219:19 220:26 221:292 222:18 223:615 End of report