IPv4 R&E Routing Table Report 20:15 GMT Wed 17 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: 186507 Prefixes after maximum aggregation (per Origin AS): 81884 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101553 Number of IPv4 prefixes with a valid ROA: 71580 Number of IPv4 prefixes with an invalid ROA: 16 Number of IPv4 prefixes with no ROA: 114911 Total ASes present in the Internet Routing Table: 15729 Prefixes per ASN: 11.86 Origin-only ASes present in the Internet Routing Table: 13604 Origin ASes announcing only one prefix: 6185 Transit ASes present in the Internet Routing Table: 2125 Transit-only ASes present in the Internet Routing Table: 574 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: 218 Number of instances of unregistered ASNs: 218 Number of 32-bit ASNs allocated by the RIRs: 44166 Number of 32-bit ASNs visible in the Routing Table: 5657 Prefixes from 32-bit ASNs in the Routing Table: 19101 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: 91 Number of addresses announced to Internet: 1116537761 Equivalent to 66 /8s, 141 /16s and 3 /24s Percentage of available address space announced: 30.2 Percentage of allocated address space announced: 30.2 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: 53686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29962 Total APNIC prefixes after maximum aggregation: 6934 APNIC Deaggregation factor: 4.32 Prefixes being announced from the APNIC address blocks: 29655 Unique aggregates announced from the APNIC address blocks: 8052 APNIC Region origin ASes present in the Internet Routing Table: 1094 APNIC Prefixes per ASN: 27.11 APNIC Region origin ASes announcing only one prefix: 435 APNIC Region transit ASes present in the Internet Routing Table: 193 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: 466 Number of APNIC addresses announced to Internet: 198940016 Equivalent to 11 /8s, 219 /16s and 149 /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: 85161 Total ARIN prefixes after maximum aggregation: 46372 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 83742 Unique aggregates announced from the ARIN address blocks: 51280 ARIN Region origin ASes present in the Internet Routing Table: 7323 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3153 ARIN Region transit ASes present in the Internet Routing Table: 628 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: 1491 Number of ARIN addresses announced to Internet: 650838625 Equivalent to 38 /8s, 203 /16s and 2 /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: 35305 Total RIPE prefixes after maximum aggregation: 16669 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 36069 Unique aggregates announced from the RIPE address blocks: 23754 RIPE Region origin ASes present in the Internet Routing Table: 3372 RIPE Prefixes per ASN: 10.70 RIPE Region origin ASes announcing only one prefix: 1448 RIPE Region transit ASes present in the Internet Routing Table: 516 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: 1251 Number of RIPE addresses announced to Internet: 162049488 Equivalent to 9 /8s, 168 /16s and 173 /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: 31294 Total LACNIC prefixes after maximum aggregation: 10044 LACNIC Deaggregation factor: 3.12 Prefixes being announced from the LACNIC address blocks: 30996 Unique aggregates announced from the LACNIC address blocks: 15537 LACNIC Region origin ASes present in the Internet Routing Table: 3051 LACNIC Prefixes per ASN: 10.16 LACNIC Region origin ASes announcing only one prefix: 1053 LACNIC Region transit ASes present in the Internet Routing Table: 618 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: 71976192 Equivalent to 4 /8s, 74 /16s and 69 /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: 4567 Total AfriNIC prefixes after maximum aggregation: 1686 AfriNIC Deaggregation factor: 2.71 Prefixes being announced from the AfriNIC address blocks: 5954 Unique aggregates announced from the AfriNIC address blocks: 2840 AfriNIC Region origin ASes present in the Internet Routing Table: 217 AfriNIC Prefixes per ASN: 27.44 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 109 Number of AfriNIC addresses announced to Internet: 32685056 Equivalent to 1 /8s, 242 /16s and 188 /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 9687 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 730 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 9841 11366 3466 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2828 3551 1353 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1621 104 1176 USDA-1, US 5972 1399 393 641 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 895 4164 676 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1314 111 1070 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 717 60 21 Jordan Data Communications, JO 8452 535 1841 10 TE-AS TE-AS, EG 51167 500 96 207 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 5011 1299 873 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 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 589 103 225 Techtel LMDS Comunicaciones Interactiva 26599 571 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 598 133 329 LINKdotNET-AS, EG 24835 454 365 30 RAYA-AS, EG 2018 380 319 71 TENET-1, ZA 36992 350 550 243 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 204 82 3 KENET-AS, KE 37282 159 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 9841 11366 3466 AMAZON-02, US 9808 9687 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5011 1299 873 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2828 3551 1353 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1704 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1621 104 1176 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 9687 9624 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5011 4138 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2828 1475 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1390 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 1312 1113 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 6939 HURRICANE, US 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 41.204.240.0/24 Origin: 36911 RESERVED, ZZ 41.204.240.0/24 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 /9:6 /10:17 /11:31 /12:93 /13:128 /14:365 /15:711 /16:5952 /17:2495 /18:2624 /19:5163 /20:8576 /21:10685 /22:19778 /23:20392 /24:109222 /25:76 /26:50 /27:71 /28:19 /29:20 /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 2849 5011 UNINET, MX 16509 2093 9841 AMAZON-02, US 209 962 1704 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 716 857 BRSPD-PUBLIC, US 6147 677 1080 Telefonica del Peru S.A.A., PE 8376 562 717 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 2:386 3:325 5:1057 6:149 7:5 8:619 11:171 12:652 13:314 14:102 15:281 16:174 17:6 18:735 20:34 21:4 22:188 23:1776 24:396 25:2 27:26 29:19 31:175 32:1 34:11 35:58 36:1175 37:483 38:831 39:522 40:11 41:527 42:23 43:179 44:29 45:2370 46:610 47:98 49:11 50:271 51:467 52:1363 54:271 55:998 57:16 58:4 59:35 60:19 61:66 62:348 63:470 64:1513 65:800 66:1245 67:686 68:166 69:749 70:147 71:190 72:373 74:746 75:394 76:205 77:307 78:487 79:169 80:211 81:207 82:169 83:96 84:179 85:327 86:148 87:147 88:119 89:500 90:98 91:550 92:395 93:786 94:508 95:1079 96:167 97:31 98:130 99:151 100:22 101:21 102:221 103:1044 104:707 105:114 106:3 107:206 108:301 109:261 110:30 111:1804 112:448 113:43 114:32 115:14 116:32 117:958 118:110 119:97 120:1090 121:32 122:107 123:49 124:58 125:11 128:360 129:276 130:484 131:794 132:503 133:267 134:339 135:68 136:364 137:410 138:780 139:389 140:598 141:324 142:695 143:605 144:333 145:65 146:478 147:313 148:626 149:519 150:291 151:564 152:544 153:117 154:560 155:675 156:443 157:269 158:316 159:593 160:343 161:425 162:694 163:294 164:637 165:384 166:98 167:386 168:986 169:153 170:1286 171:65 172:890 173:624 174:105 175:33 176:409 177:742 178:335 179:501 180:48 181:968 182:61 183:852 184:199 185:2316 186:1045 187:760 188:476 189:1067 190:2870 191:186 192:3831 193:1265 194:819 195:564 196:384 197:383 198:1934 199:3456 200:2649 201:2454 202:1056 203:620 204:1753 205:1689 206:1146 207:1073 208:985 209:1459 210:326 211:431 212:696 213:559 214:1044 215:43 216:1727 217:280 218:525 219:21 220:28 221:302 222:22 223:633 End of report