IPv4 R&E Routing Table Report 20:15 GMT Fri 26 Apr, 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: 186226 Prefixes after maximum aggregation (per Origin AS): 81802 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101467 Number of IPv4 prefixes with a valid ROA: 72135 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 114073 Total ASes present in the Internet Routing Table: 15716 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13586 Origin ASes announcing only one prefix: 6217 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 578 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 26 Max AS path prepend of ASN (265990) 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: 44271 Number of 32-bit ASNs visible in the Routing Table: 5665 Prefixes from 32-bit ASNs in the Routing Table: 18994 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: 92 Number of addresses announced to Internet: 1111578273 Equivalent to 66 /8s, 65 /16s and 86 /24s Percentage of available address space announced: 30.0 Percentage of allocated address space announced: 30.0 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: 53640 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29998 Total APNIC prefixes after maximum aggregation: 7042 APNIC Deaggregation factor: 4.26 Prefixes being announced from the APNIC address blocks: 29683 Unique aggregates announced from the APNIC address blocks: 8080 APNIC Region origin ASes present in the Internet Routing Table: 1110 APNIC Prefixes per ASN: 26.74 APNIC Region origin ASes announcing only one prefix: 447 APNIC Region transit ASes present in the Internet Routing Table: 199 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 477 Number of APNIC addresses announced to Internet: 198908016 Equivalent to 11 /8s, 219 /16s and 24 /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: 85095 Total ARIN prefixes after maximum aggregation: 46423 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83679 Unique aggregates announced from the ARIN address blocks: 51276 ARIN Region origin ASes present in the Internet Routing Table: 7311 ARIN Prefixes per ASN: 11.45 ARIN Region origin ASes announcing only one prefix: 3161 ARIN Region transit ASes present in the Internet Routing Table: 630 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: 650338913 Equivalent to 38 /8s, 195 /16s and 98 /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, 393216-402332 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: 35181 Total RIPE prefixes after maximum aggregation: 16483 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35936 Unique aggregates announced from the RIPE address blocks: 23690 RIPE Region origin ASes present in the Internet Routing Table: 3363 RIPE Prefixes per ASN: 10.69 RIPE Region origin ASes announcing only one prefix: 1443 RIPE Region transit ASes present in the Internet Routing Table: 523 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1244 Number of RIPE addresses announced to Internet: 160579280 Equivalent to 9 /8s, 146 /16s and 62 /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: 31482 Total LACNIC prefixes after maximum aggregation: 9956 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31188 Unique aggregates announced from the LACNIC address blocks: 15560 LACNIC Region origin ASes present in the Internet Routing Table: 3045 LACNIC Prefixes per ASN: 10.24 LACNIC Region origin ASes announcing only one prefix: 1082 LACNIC Region transit ASes present in the Internet Routing Table: 608 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2339 Number of LACNIC addresses announced to Internet: 73494784 Equivalent to 4 /8s, 97 /16s and 113 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4239 Total AfriNIC prefixes after maximum aggregation: 1713 AfriNIC Deaggregation factor: 2.47 Prefixes being announced from the AfriNIC address blocks: 5648 Unique aggregates announced from the AfriNIC address blocks: 2775 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 26.52 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 106 Number of AfriNIC addresses announced to Internet: 28216576 Equivalent to 1 /8s, 174 /16s and 141 /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 9700 8743 62 CHINAMOBILE-CN China Mobile Communicati 56047 1507 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1491 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1449 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 725 10640 155 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 CMNET-GUANGDONG-AP China Mobile communi 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 9803 11356 3516 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2822 3549 1345 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1701 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1695 109 1207 USDA-1, US 5972 1391 391 644 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 900 4165 681 AMAZON-AES, 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 4741 285 59 ALJAWWALSTC-AS, SA 20940 1317 111 1070 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 718 59 22 Jordan Data Communications, JO 8452 613 1841 11 TE-AS TE-AS, EG 51167 502 96 209 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 394 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT 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 5550 1463 903 UNINET, MX 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1104 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 921 1128 28 TELEFONICA BRASIL S.A, BR 11664 596 104 227 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 501 64 422 Telmex Colombia S.A., CO 13999 475 65 209 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 651 213 262 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 36992 322 477 236 ETISALAT-MISR, EG 36935 261 63 75 Vodafone-, EG 36914 205 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 29571 111 39 42 ORANGE-COTE-IVOIRE, CI 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 16509 9803 11356 3516 AMAZON-02, US 9808 9700 8743 62 CHINAMOBILE-CN China Mobile Communicati 8151 5550 1463 903 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2822 3549 1345 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1701 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1695 109 1207 USDA-1, US 56047 1507 192 47 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 9808 9700 9638 CHINAMOBILE-CN China Mobile Communications Grou 39891 4741 4682 ALJAWWALSTC-AS, SA 8151 5550 4647 UNINET, MX 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 367 2822 1477 DNIC-ASBLK-00306-00371, US 56047 1507 1460 CMNET-HUNAN-AP China Mobile communications corp 209 1701 1388 CENTURYLINK-US-LEGACY-QWEST, US 56046 1491 1381 CMNET-JIANGSU-AP China Mobile communications co 56041 1449 1376 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1314 1122 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /9:6 /10:17 /11:30 /12:91 /13:125 /14:365 /15:706 /16:5926 /17:2485 /18:2609 /19:5229 /20:8607 /21:10802 /22:19646 /23:20432 /24:108883 /25:76 /26:49 /27:71 /28:19 /29:20 /30:17 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3424 4741 ALJAWWALSTC-AS, SA 8151 3061 5550 UNINET, MX 16509 2090 9803 AMAZON-02, US 209 960 1701 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1858 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 726 867 BRSPD-PUBLIC, US 6147 699 1104 Telefonica del Peru S.A.A., PE 8376 563 718 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:364 3:327 5:1046 6:149 7:5 8:613 11:171 12:659 13:309 14:102 15:281 16:174 17:6 18:738 20:34 21:4 22:188 23:1790 24:397 25:2 27:27 29:19 31:174 32:1 34:11 35:58 36:1178 37:409 38:843 39:524 40:11 41:542 42:92 43:177 44:29 45:2345 46:606 47:94 49:11 50:261 51:476 52:1356 54:271 55:988 57:16 58:7 59:38 60:19 61:64 62:342 63:482 64:1512 65:794 66:1243 67:685 68:166 69:771 70:146 71:188 72:372 74:742 75:392 76:202 77:308 78:486 79:174 80:211 81:174 82:185 83:100 84:178 85:340 86:152 87:147 88:118 89:512 90:98 91:553 92:391 93:790 94:518 95:1078 96:163 97:31 98:131 99:151 100:22 101:21 102:224 103:1030 104:730 105:100 106:3 107:208 108:299 109:261 110:34 111:1795 112:449 113:44 114:33 115:15 116:28 117:958 118:108 119:100 120:1089 121:17 122:112 123:50 124:57 125:12 128:358 129:276 130:503 131:769 132:499 133:195 134:337 135:68 136:365 137:411 138:776 139:389 140:595 141:325 142:697 143:596 144:329 145:65 146:468 147:320 148:594 149:487 150:291 151:567 152:536 153:118 154:542 155:675 156:439 157:275 158:315 159:592 160:370 161:423 162:685 163:290 164:635 165:380 166:97 167:399 168:922 169:161 170:1299 171:65 172:894 173:619 174:108 175:34 176:401 177:735 178:298 179:507 180:49 181:978 182:60 183:856 184:198 185:2318 186:1012 187:760 188:486 189:1109 190:2861 191:188 192:3816 193:1262 194:827 195:557 196:381 197:390 198:1952 199:3507 200:2561 201:2471 202:1053 203:628 204:1739 205:1666 206:1142 207:1094 208:983 209:1434 210:329 211:431 212:697 213:569 214:1015 215:43 216:1704 217:282 218:526 219:24 220:29 221:302 222:22 223:637 End of report