IPv4 R&E Routing Table Report 20:15 GMT Mon 22 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: 189536 Prefixes after maximum aggregation (per Origin AS): 83118 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 104193 Number of IPv4 prefixes with a valid ROA: 72898 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116615 Total ASes present in the Internet Routing Table: 16161 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 14025 Origin ASes announcing only one prefix: 6443 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 593 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: 43438 Number of 32-bit ASNs visible in the Routing Table: 5764 Prefixes from 32-bit ASNs in the Routing Table: 18960 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: 1077926825 Equivalent to 64 /8s, 63 /16s and 219 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 29.1 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: 57457 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28445 Total APNIC prefixes after maximum aggregation: 6414 APNIC Deaggregation factor: 4.43 Prefixes being announced from the APNIC address blocks: 28185 Unique aggregates announced from the APNIC address blocks: 7375 APNIC Region origin ASes present in the Internet Routing Table: 1066 APNIC Prefixes per ASN: 26.44 APNIC Region origin ASes announcing only one prefix: 446 APNIC Region transit ASes present in the Internet Routing Table: 175 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: 172240264 Equivalent to 10 /8s, 68 /16s and 45 /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: 83239 Total ARIN prefixes after maximum aggregation: 45834 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82312 Unique aggregates announced from the ARIN address blocks: 51423 ARIN Region origin ASes present in the Internet Routing Table: 7393 ARIN Prefixes per ASN: 11.13 ARIN Region origin ASes announcing only one prefix: 3177 ARIN Region transit ASes present in the Internet Routing Table: 660 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: 606255841 Equivalent to 36 /8s, 34 /16s and 186 /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: 40744 Total RIPE prefixes after maximum aggregation: 18964 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40941 Unique aggregates announced from the RIPE address blocks: 26815 RIPE Region origin ASes present in the Internet Routing Table: 3780 RIPE Prefixes per ASN: 10.83 RIPE Region origin ASes announcing only one prefix: 1632 RIPE Region transit ASes present in the Internet Routing Table: 548 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: 197099328 Equivalent to 11 /8s, 191 /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, 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: 32204 Total LACNIC prefixes after maximum aggregation: 10141 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31966 Unique aggregates announced from the LACNIC address blocks: 15854 LACNIC Region origin ASes present in the Internet Routing Table: 3030 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 1107 LACNIC Region transit ASes present in the Internet Routing Table: 591 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: 2334 Number of LACNIC addresses announced to Internet: 73892352 Equivalent to 4 /8s, 103 /16s and 130 /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: 4673 Total AfriNIC prefixes after maximum aggregation: 1578 AfriNIC Deaggregation factor: 2.96 Prefixes being announced from the AfriNIC address blocks: 6054 Unique aggregates announced from the AfriNIC address blocks: 2650 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 29.39 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 58 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: 96 Number of AfriNIC addresses announced to Internet: 28398592 Equivalent to 1 /8s, 177 /16s and 84 /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 9580 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 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 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 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 9435 11223 3386 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2966 3831 1429 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 667 DNIC-ASBLK-05800-06055, US 4155 1053 69 867 USDA-1, US 855 963 255 83 CANET-ASN-4, CA 7979 962 64 193 SERVERS-COM, US 16625 918 433 844 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 720 60 22 Jordan Data Communications, JO 34984 698 78 433 TELLCOM-AS, TR 8452 670 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 5241 1526 946 UNINET, MX 3816 1305 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 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 577 108 219 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 536 347 59 LINKdotNET-AS, EG 36914 481 82 3 KENET-AS, KE 29571 404 29 207 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 296 660 162 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 165 471 43 ORANGE-, TN 327687 164 28 3 RENU, UG 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 9580 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9435 11223 3386 AMAZON-02, US 8151 5241 1526 946 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2966 3831 1429 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 667 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 9435 6049 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5241 4295 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2966 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 1435 1362 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 /15:744 /16:5596 /17:2683 /18:2798 /19:5787 /20:9123 /21:11013 /22:20620 /23:20519 /24:109753 /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 2843 5241 UNINET, MX 16509 1966 9435 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 1088 Telefonica del Peru S.A.A., PE 19901 668 805 BRSPD-PUBLIC, US 8376 562 720 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 2:407 3:252 5:1149 6:150 7:5 8:621 11:171 12:257 13:316 14:98 15:279 16:165 17:6 18:651 20:32 21:4 22:188 23:1825 24:539 25:2 27:16 29:19 31:265 32:2 34:2 35:52 36:1101 37:518 38:820 39:511 40:7 41:629 42:12 43:171 44:30 45:2323 46:634 47:149 49:14 50:295 51:468 52:1366 54:323 55:861 57:18 58:6 59:29 60:19 61:59 62:353 63:474 64:1521 65:812 66:1321 67:724 68:153 69:766 70:157 71:210 72:357 74:762 75:389 76:198 77:253 78:566 79:182 80:226 81:231 82:189 83:101 84:209 85:414 86:162 87:216 88:155 89:320 90:98 91:598 92:406 93:799 94:513 95:1111 96:169 97:36 98:129 99:145 100:41 101:21 102:203 103:937 104:741 105:16 106:2 107:203 108:358 109:243 110:31 111:1730 112:445 113:42 114:30 115:10 116:26 117:947 118:46 119:97 120:1070 121:32 122:81 123:20 124:55 125:12 128:351 129:290 130:504 131:875 132:508 133:264 134:333 135:67 136:365 137:421 138:709 139:461 140:508 141:179 142:726 143:606 144:314 145:79 146:454 147:330 148:591 149:514 150:283 151:537 152:354 153:113 154:453 155:658 156:375 157:235 158:298 159:539 160:543 161:452 162:685 163:271 164:622 165:390 166:110 167:378 168:961 169:148 170:1176 171:62 172:897 173:619 174:113 175:38 176:691 177:689 178:383 179:521 180:43 181:1055 182:10 183:858 184:215 185:2505 186:1022 187:774 188:690 189:1047 190:2977 191:211 192:3726 193:1390 194:910 195:697 196:467 197:652 198:1940 199:2918 200:2894 201:2595 202:892 203:590 204:1789 205:1616 206:1101 207:1093 208:1001 209:1381 210:293 211:458 212:765 213:684 214:1069 215:37 216:1756 217:396 218:515 219:19 220:26 221:291 222:18 223:615 End of report