IPv4 R&E Routing Table Report 20:15 GMT Tue 16 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: 184486 Prefixes after maximum aggregation (per Origin AS): 80434 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100744 Number of IPv4 prefixes with a valid ROA: 70529 Number of IPv4 prefixes with an invalid ROA: 16 Number of IPv4 prefixes with no ROA: 113941 Total ASes present in the Internet Routing Table: 15734 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 13634 Origin ASes announcing only one prefix: 6206 Transit ASes present in the Internet Routing Table: 2100 Transit-only ASes present in the Internet Routing Table: 563 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 223 Number of instances of unregistered ASNs: 223 Number of 32-bit ASNs allocated by the RIRs: 44137 Number of 32-bit ASNs visible in the Routing Table: 5671 Prefixes from 32-bit ASNs in the Routing Table: 19016 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: 86 Number of addresses announced to Internet: 1066041269 Equivalent to 63 /8s, 138 /16s and 127 /24s Percentage of available address space announced: 28.8 Percentage of allocated address space announced: 28.8 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: 53119 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29884 Total APNIC prefixes after maximum aggregation: 6887 APNIC Deaggregation factor: 4.34 Prefixes being announced from the APNIC address blocks: 29560 Unique aggregates announced from the APNIC address blocks: 7971 APNIC Region origin ASes present in the Internet Routing Table: 1092 APNIC Prefixes per ASN: 27.07 APNIC Region origin ASes announcing only one prefix: 437 APNIC Region transit ASes present in the Internet Routing Table: 181 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: 464 Number of APNIC addresses announced to Internet: 198872964 Equivalent to 11 /8s, 218 /16s and 143 /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: 83374 Total ARIN prefixes after maximum aggregation: 45372 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 82077 Unique aggregates announced from the ARIN address blocks: 51129 ARIN Region origin ASes present in the Internet Routing Table: 7334 ARIN Prefixes per ASN: 11.19 ARIN Region origin ASes announcing only one prefix: 3163 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: 1501 Number of ARIN addresses announced to Internet: 605258593 Equivalent to 36 /8s, 19 /16s and 131 /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: 34741 Total RIPE prefixes after maximum aggregation: 16442 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35413 Unique aggregates announced from the RIPE address blocks: 23357 RIPE Region origin ASes present in the Internet Routing Table: 3376 RIPE Prefixes per ASN: 10.49 RIPE Region origin ASes announcing only one prefix: 1450 RIPE Region transit ASes present in the Internet Routing Table: 508 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1258 Number of RIPE addresses announced to Internet: 156498128 Equivalent to 9 /8s, 83 /16s and 248 /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: 31771 Total LACNIC prefixes after maximum aggregation: 10025 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 31455 Unique aggregates announced from the LACNIC address blocks: 15615 LACNIC Region origin ASes present in the Internet Routing Table: 3051 LACNIC Prefixes per ASN: 10.31 LACNIC Region origin ASes announcing only one prefix: 1065 LACNIC Region transit ASes present in the Internet Routing Table: 614 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: 2340 Number of LACNIC addresses announced to Internet: 72939776 Equivalent to 4 /8s, 88 /16s and 249 /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: 4493 Total AfriNIC prefixes after maximum aggregation: 1521 AfriNIC Deaggregation factor: 2.95 Prefixes being announced from the AfriNIC address blocks: 5895 Unique aggregates announced from the AfriNIC address blocks: 2587 AfriNIC Region origin ASes present in the Internet Routing Table: 219 AfriNIC Prefixes per ASN: 26.92 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 59 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: 108 Number of AfriNIC addresses announced to Internet: 32420864 Equivalent to 1 /8s, 238 /16s and 180 /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 9685 8743 63 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1486 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 789 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 732 10656 150 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 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 9853 11369 3457 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2834 3551 1352 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1614 104 1174 USDA-1, US 5972 1400 393 639 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 19901 852 554 636 BRSPD-PUBLIC, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1316 111 1070 AKAMAI-ASN1, NL 3215 899 4830 292 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 719 60 21 Jordan Data Communications, JO 8452 522 1841 10 TE-AS TE-AS, EG 51167 440 82 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 385 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 5465 1413 895 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1081 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 590 103 224 Techtel LMDS Comunicaciones Interactiva 26599 574 2961 47 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 485 68 209 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 635 238 193 LINKdotNET-AS, EG 24835 454 365 30 RAYA-AS, EG 2018 372 319 71 TENET-1, ZA 36992 372 582 249 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 201 82 3 KENET-AS, KE 37282 157 20 53 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 Sudatel, SD 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 9853 11369 3457 AMAZON-02, US 9808 9685 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5465 1413 895 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2834 3551 1352 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1614 104 1174 USDA-1, US 56047 1504 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 9685 9622 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5465 4570 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2834 1482 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1391 CENTURYLINK-US-LEGACY-QWEST, US 56046 1486 1376 CMNET-JIANGSU-AP China Mobile communications co 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1313 1119 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 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.248.0/24 Origin: 36911 RESERVED, ZZ 41.204.248.0/24 Transit: 328766 RESERVED, ZZ 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 /10:17 /11:29 /12:79 /13:116 /14:338 /15:676 /16:5897 /17:2460 /18:2565 /19:5135 /20:8492 /21:10733 /22:19696 /23:20278 /24:107701 /25:76 /26:50 /27:71 /28:19 /29:21 /30:17 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 3052 5465 UNINET, MX 16509 2093 9853 AMAZON-02, US 209 963 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 711 852 BRSPD-PUBLIC, US 6147 678 1081 Telefonica del Peru S.A.A., PE 8376 564 719 Jordan Data Communications, JO 7979 451 1001 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:12 2:391 3:293 5:1051 6:149 7:5 8:615 11:171 12:657 13:315 14:102 15:281 16:174 17:6 18:711 20:34 21:4 22:188 23:1776 24:393 25:1 27:26 29:19 31:171 32:1 34:5 35:57 36:1176 37:479 38:825 39:522 40:9 41:514 42:22 43:178 44:27 45:2365 46:591 47:98 49:10 50:246 51:467 52:1351 54:271 55:998 57:16 58:4 59:32 60:19 61:66 62:348 63:469 64:1445 65:795 66:1234 67:671 68:152 69:727 70:147 71:189 72:362 74:729 75:394 76:204 77:302 78:487 79:161 80:210 81:185 82:168 83:95 84:180 85:337 86:148 87:152 88:120 89:496 90:98 91:543 92:396 93:775 94:512 95:1077 96:166 97:30 98:124 99:145 100:22 101:21 102:229 103:1038 104:695 105:44 106:3 107:202 108:300 109:257 110:26 111:1804 112:448 113:41 114:32 115:11 116:32 117:953 118:100 119:96 120:1089 121:32 122:107 123:49 124:57 125:11 128:359 129:273 130:479 131:777 132:506 133:267 134:338 135:67 136:359 137:404 138:777 139:383 140:590 141:320 142:685 143:593 144:324 145:65 146:478 147:326 148:622 149:513 150:290 151:561 152:358 153:117 154:574 155:671 156:444 157:263 158:313 159:526 160:330 161:412 162:671 163:289 164:629 165:357 166:98 167:378 168:970 169:157 170:1263 171:65 172:899 173:616 174:104 175:39 176:395 177:711 178:324 179:495 180:47 181:990 182:58 183:851 184:198 185:2277 186:1040 187:795 188:473 189:1077 190:2874 191:188 192:3669 193:1221 194:804 195:555 196:381 197:386 198:1908 199:3408 200:2635 201:2468 202:1052 203:595 204:1738 205:1670 206:1137 207:1058 208:954 209:1441 210:324 211:431 212:686 213:548 214:1040 215:43 216:1681 217:281 218:519 219:21 220:29 221:302 222:22 223:636 End of report