IPv4 R&E Routing Table Report 20:15 GMT Mon 29 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: 186297 Prefixes after maximum aggregation (per Origin AS): 81735 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101313 Number of IPv4 prefixes with a valid ROA: 72095 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 114182 Total ASes present in the Internet Routing Table: 15727 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13582 Origin ASes announcing only one prefix: 6226 Transit ASes present in the Internet Routing Table: 2145 Transit-only ASes present in the Internet Routing Table: 583 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: 229 Number of instances of unregistered ASNs: 229 Number of 32-bit ASNs allocated by the RIRs: 44317 Number of 32-bit ASNs visible in the Routing Table: 5657 Prefixes from 32-bit ASNs in the Routing Table: 18958 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: 95 Number of addresses announced to Internet: 1112478625 Equivalent to 66 /8s, 79 /16s and 19 /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: 53778 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29813 Total APNIC prefixes after maximum aggregation: 6972 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29484 Unique aggregates announced from the APNIC address blocks: 7939 APNIC Region origin ASes present in the Internet Routing Table: 1142 APNIC Prefixes per ASN: 25.82 APNIC Region origin ASes announcing only one prefix: 459 APNIC Region transit ASes present in the Internet Routing Table: 204 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 499 Number of APNIC addresses announced to Internet: 198963056 Equivalent to 11 /8s, 219 /16s and 239 /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: 85049 Total ARIN prefixes after maximum aggregation: 46440 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83685 Unique aggregates announced from the ARIN address blocks: 51293 ARIN Region origin ASes present in the Internet Routing Table: 7314 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3165 ARIN Region transit ASes present in the Internet Routing Table: 629 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: 1503 Number of ARIN addresses announced to Internet: 650260321 Equivalent to 38 /8s, 194 /16s and 47 /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: 35159 Total RIPE prefixes after maximum aggregation: 16493 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35906 Unique aggregates announced from the RIPE address blocks: 23696 RIPE Region origin ASes present in the Internet Routing Table: 3377 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 1448 RIPE Region transit ASes present in the Internet Routing Table: 528 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1252 Number of RIPE addresses announced to Internet: 159908560 Equivalent to 9 /8s, 136 /16s and 2 /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: 31848 Total LACNIC prefixes after maximum aggregation: 9939 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 31532 Unique aggregates announced from the LACNIC address blocks: 15535 LACNIC Region origin ASes present in the Internet Routing Table: 3010 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 1073 LACNIC Region transit ASes present in the Internet Routing Table: 609 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: 2304 Number of LACNIC addresses announced to Internet: 74511616 Equivalent to 4 /8s, 112 /16s and 245 /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: 4199 Total AfriNIC prefixes after maximum aggregation: 1708 AfriNIC Deaggregation factor: 2.46 Prefixes being announced from the AfriNIC address blocks: 5595 Unique aggregates announced from the AfriNIC address blocks: 2762 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 27.03 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 99 Number of AfriNIC addresses announced to Internet: 28786176 Equivalent to 1 /8s, 183 /16s and 62 /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 9648 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1491 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1450 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 9774 11348 3543 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2821 3532 1354 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1718 110 1214 USDA-1, US 209 1701 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 5972 1397 393 634 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 1286 108 1051 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 810 1032 146 SAUDINETSTC-AS, SA 8376 709 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 396 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 5902 1710 930 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 922 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 499 64 420 Telmex Colombia S.A., CO 13999 475 65 209 Mega Cable, S.A. de C.V., MX 22724 229 15 98 PUNTONET S.A., EC 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 610 208 251 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 36992 328 479 241 ETISALAT-MISR, EG 36935 258 64 79 Vodafone-, EG 36914 201 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 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 9774 11348 3543 AMAZON-02, US 9808 9648 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5902 1710 930 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2821 3532 1354 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1718 110 1214 USDA-1, US 209 1701 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 56047 1506 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 9648 9587 CHINAMOBILE-CN China Mobile Communications Grou 8151 5902 4972 UNINET, MX 39891 4741 4682 ALJAWWALSTC-AS, SA 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 367 2821 1467 DNIC-ASBLK-00306-00371, US 56047 1506 1459 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 1450 1377 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 /12:92 /13:125 /14:364 /15:705 /16:5924 /17:2493 /18:2605 /19:5363 /20:8551 /21:10889 /22:19552 /23:20428 /24:108888 /25:76 /26:49 /27:71 /28:19 /29:20 /30:15 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3424 4741 ALJAWWALSTC-AS, SA 8151 3158 5902 UNINET, MX 16509 2092 9774 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 558 709 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 2:360 3:327 5:1063 6:149 7:5 8:614 11:171 12:657 13:305 14:102 15:282 16:174 17:6 18:734 20:34 21:4 22:188 23:1787 24:396 25:2 27:27 29:19 31:178 32:1 34:11 35:54 36:1178 37:439 38:839 39:525 40:11 41:529 42:14 43:174 44:28 45:2358 46:610 47:94 49:11 50:260 51:476 52:1356 54:271 55:997 57:16 58:7 59:38 60:19 61:64 62:341 63:481 64:1509 65:794 66:1239 67:679 68:166 69:741 70:150 71:188 72:373 74:736 75:393 76:202 77:309 78:485 79:171 80:211 81:176 82:183 83:100 84:177 85:343 86:154 87:147 88:118 89:517 90:98 91:546 92:391 93:792 94:508 95:1077 96:161 97:31 98:130 99:151 100:22 101:21 102:213 103:1063 104:728 105:133 106:3 107:208 108:298 109:262 110:34 111:1791 112:445 113:44 114:32 115:15 116:28 117:959 118:70 119:100 120:1075 121:16 122:87 123:20 124:57 125:12 128:361 129:287 130:503 131:770 132:493 133:195 134:337 135:68 136:364 137:409 138:757 139:389 140:598 141:324 142:697 143:610 144:329 145:65 146:470 147:321 148:595 149:503 150:293 151:571 152:536 153:118 154:539 155:675 156:437 157:277 158:316 159:589 160:371 161:409 162:676 163:294 164:641 165:378 166:99 167:402 168:926 169:157 170:1283 171:64 172:893 173:621 174:108 175:41 176:410 177:750 178:319 179:504 180:49 181:988 182:24 183:827 184:198 185:2331 186:1013 187:793 188:490 189:1160 190:2853 191:196 192:3836 193:1261 194:826 195:556 196:398 197:374 198:1950 199:3516 200:2564 201:2487 202:1058 203:627 204:1753 205:1682 206:1144 207:1092 208:973 209:1434 210:345 211:431 212:691 213:553 214:1021 215:43 216:1707 217:283 218:526 219:24 220:30 221:302 222:22 223:637 End of report