IPv4 R&E Routing Table Report 20:15 GMT Mon 04 Dec, 2023 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: 257195 Prefixes after maximum aggregation (per Origin AS): 113673 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138463 Number of IPv4 prefixes with a valid ROA: 96848 Number of IPv4 prefixes with an invalid ROA: 45 Number of IPv4 prefixes with no ROA: 160302 Total ASes present in the Internet Routing Table: 20698 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 18040 Origin ASes announcing only one prefix: 8049 Transit ASes present in the Internet Routing Table: 2658 Transit-only ASes present in the Internet Routing Table: 669 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 426 Number of instances of unregistered ASNs: 426 Number of 32-bit ASNs allocated by the RIRs: 43172 Number of 32-bit ASNs visible in the Routing Table: 7425 Prefixes from 32-bit ASNs in the Routing Table: 26547 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 136 Number of addresses announced to Internet: 1489131337 Equivalent to 88 /8s, 194 /16s and 87 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 87247 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30626 Total APNIC prefixes after maximum aggregation: 7270 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30151 Unique aggregates announced from the APNIC address blocks: 8337 APNIC Region origin ASes present in the Internet Routing Table: 1201 APNIC Prefixes per ASN: 25.10 APNIC Region origin ASes announcing only one prefix: 486 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 524 Number of APNIC addresses announced to Internet: 212809864 Equivalent to 12 /8s, 175 /16s and 56 /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: 118854 Total ARIN prefixes after maximum aggregation: 62360 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118903 Unique aggregates announced from the ARIN address blocks: 68906 ARIN Region origin ASes present in the Internet Routing Table: 9640 ARIN Prefixes per ASN: 12.33 ARIN Region origin ASes announcing only one prefix: 3965 ARIN Region transit ASes present in the Internet Routing Table: 858 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: 2046 Number of ARIN addresses announced to Internet: 842202561 Equivalent to 50 /8s, 50 /16s and 253 /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: 56455 Total RIPE prefixes after maximum aggregation: 28308 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55394 Unique aggregates announced from the RIPE address blocks: 37311 RIPE Region origin ASes present in the Internet Routing Table: 5186 RIPE Prefixes per ASN: 10.68 RIPE Region origin ASes announcing only one prefix: 2214 RIPE Region transit ASes present in the Internet Routing Table: 704 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1964 Number of RIPE addresses announced to Internet: 305055744 Equivalent to 18 /8s, 46 /16s and 200 /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: 41797 Total LACNIC prefixes after maximum aggregation: 13048 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41162 Unique aggregates announced from the LACNIC address blocks: 19662 LACNIC Region origin ASes present in the Internet Routing Table: 3600 LACNIC Prefixes per ASN: 11.43 LACNIC Region origin ASes announcing only one prefix: 1293 LACNIC Region transit ASes present in the Internet Routing Table: 724 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2780 Number of LACNIC addresses announced to Internet: 87942656 Equivalent to 5 /8s, 61 /16s and 230 /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: 9037 Total AfriNIC prefixes after maximum aggregation: 2395 AfriNIC Deaggregation factor: 3.77 Prefixes being announced from the AfriNIC address blocks: 11449 Unique aggregates announced from the AfriNIC address blocks: 4119 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 46.73 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 111 Number of AfriNIC addresses announced to Internet: 40978432 Equivalent to 2 /8s, 113 /16s and 72 /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 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1504 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1413 826 105 CMNET-JIANGSU-AP China Mobile communica 24547 766 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 674 4270 56 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9362 11174 3331 AMAZON-02, US 22773 3496 3038 290 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2998 3843 1422 DNIC-ASBLK-00306-00371, US 7018 2566 23618 1601 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1842 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1740 3064 430 CELLCO-PART, US 209 1713 4899 329 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1595 141 1260 AKAMAI-ASN1, NL 58224 950 653 621 TCI, IR 3215 918 4899 292 France Telecom - Orange, FR 61317 896 60 770 ASDETUK www.heficed.com, US 8452 895 1841 14 TE-AS TE-AS, EG 25019 872 1035 152 SAUDINETSTC-AS, SA 34984 820 106 517 TELLCOM-AS, TR 8386 707 109 242 KOCNET, TR 8376 672 54 17 Jordan Data Communications, JO 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 5867 1682 1013 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 910 147 398 Techtel LMDS Comunicaciones Interactiva 28006 613 75 277 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 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 1346 388 22 LINKdotNET-AS, EG 24835 1032 457 25 RAYA-AS, EG 36992 681 1012 335 ETISALAT-MISR, EG 36935 673 520 41 Vodafone-, EG 36914 524 82 3 KENET-AS, KE 36903 415 192 302 MT-MPLS, MA 15399 404 35 185 WANANCHI-, KE 29571 388 36 161 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, 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 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9362 11174 3331 AMAZON-02, US 8151 5867 1682 1013 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3496 3038 290 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2998 3843 1422 DNIC-ASBLK-00306-00371, US 7018 2566 23618 1601 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 FRONTIER-FRTR, US 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 9362 6031 AMAZON-02, US 8151 5867 4854 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3496 3206 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1842 1621 ATLANTICBB-JOHNSTOWN, US 367 2998 1576 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1504 1470 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1384 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 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 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 23.140.216.0/24 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 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:499 /15:1001 /16:7455 /17:3508 /18:4063 /19:7851 /20:12311 /21:15498 /22:28815 /23:29011 /24:146493 /25:84 /26:62 /27:72 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3106 5867 UNINET, MX 22773 2559 3496 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1914 9362 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 7018 1129 2566 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 209 967 1713 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:13 2:531 3:246 4:5 5:1322 6:149 7:5 8:728 11:171 12:1094 13:312 14:103 15:283 16:167 17:6 18:649 20:219 21:4 22:188 23:2382 24:756 25:2 27:25 29:19 31:443 32:37 34:2 35:56 36:1062 37:955 38:1333 39:502 40:61 41:1038 42:21 43:203 44:42 45:3352 46:871 47:155 49:13 50:355 51:479 52:1384 54:354 55:865 56:5 57:25 58:7 59:33 60:18 61:70 62:601 63:887 64:2064 65:1150 66:2272 67:958 68:640 69:1255 70:497 71:265 72:696 74:1054 75:435 76:226 77:335 78:564 79:254 80:395 81:346 82:328 83:160 84:364 85:433 86:211 87:300 88:227 89:634 90:91 91:960 92:497 93:935 94:647 95:1248 96:281 97:72 98:537 99:162 100:45 101:27 102:288 103:1201 104:1415 105:67 106:42 107:1376 108:531 109:336 110:35 111:1736 112:474 113:48 114:32 115:18 116:44 117:955 118:64 119:125 120:1081 121:42 122:92 123:81 124:57 125:15 128:454 129:375 130:613 131:1094 132:552 133:267 134:457 135:124 136:412 137:540 138:856 139:535 140:579 141:272 142:783 143:668 144:374 145:99 146:597 147:419 148:691 149:703 150:291 151:596 152:525 153:146 154:672 155:765 156:619 157:325 158:436 159:669 160:665 161:634 162:959 163:405 164:664 165:569 166:587 167:617 168:1379 169:185 170:1538 171:97 172:1320 173:826 174:283 175:48 176:828 177:847 178:391 179:673 180:50 181:1593 182:15 183:879 184:505 185:3422 186:1850 187:882 188:730 189:1304 190:4202 191:333 192:4924 193:2022 194:1485 195:1153 196:899 197:901 198:2596 199:3207 200:3213 201:3207 202:1085 203:632 204:2251 205:1856 206:1650 207:1440 208:1436 209:1934 210:333 211:475 212:1048 213:855 214:1070 215:57 216:2522 217:611 218:521 219:23 220:29 221:287 222:34 223:621 End of report