IPv4 R&E Routing Table Report 20:15 GMT Tue 09 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: 183968 Prefixes after maximum aggregation (per Origin AS): 80512 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 100832 Number of IPv4 prefixes with a valid ROA: 69805 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 114143 Total ASes present in the Internet Routing Table: 15826 Prefixes per ASN: 11.62 Origin-only ASes present in the Internet Routing Table: 13686 Origin ASes announcing only one prefix: 6243 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 580 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: 221 Number of instances of unregistered ASNs: 221 Number of 32-bit ASNs allocated by the RIRs: 44064 Number of 32-bit ASNs visible in the Routing Table: 5753 Prefixes from 32-bit ASNs in the Routing Table: 19180 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: 90 Number of addresses announced to Internet: 1064025785 Equivalent to 63 /8s, 107 /16s and 190 /24s Percentage of available address space announced: 28.7 Percentage of allocated address space announced: 28.7 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: 52929 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29807 Total APNIC prefixes after maximum aggregation: 6846 APNIC Deaggregation factor: 4.35 Prefixes being announced from the APNIC address blocks: 29486 Unique aggregates announced from the APNIC address blocks: 7913 APNIC Region origin ASes present in the Internet Routing Table: 1133 APNIC Prefixes per ASN: 26.02 APNIC Region origin ASes announcing only one prefix: 448 APNIC Region transit ASes present in the Internet Routing Table: 185 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: 488 Number of APNIC addresses announced to Internet: 198982280 Equivalent to 11 /8s, 220 /16s and 58 /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: 83305 Total ARIN prefixes after maximum aggregation: 45404 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 82100 Unique aggregates announced from the ARIN address blocks: 51269 ARIN Region origin ASes present in the Internet Routing Table: 7353 ARIN Prefixes per ASN: 11.17 ARIN Region origin ASes announcing only one prefix: 3170 ARIN Region transit ASes present in the Internet Routing Table: 635 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: 1506 Number of ARIN addresses announced to Internet: 605228129 Equivalent to 36 /8s, 19 /16s and 12 /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: 34668 Total RIPE prefixes after maximum aggregation: 16361 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35261 Unique aggregates announced from the RIPE address blocks: 23174 RIPE Region origin ASes present in the Internet Routing Table: 3311 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 1429 RIPE Region transit ASes present in the Internet Routing Table: 510 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: 1219 Number of RIPE addresses announced to Internet: 156774352 Equivalent to 9 /8s, 88 /16s and 47 /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: 31679 Total LACNIC prefixes after maximum aggregation: 10039 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31357 Unique aggregates announced from the LACNIC address blocks: 15614 LACNIC Region origin ASes present in the Internet Routing Table: 3128 LACNIC Prefixes per ASN: 10.02 LACNIC Region origin ASes announcing only one prefix: 1104 LACNIC Region transit ASes present in the Internet Routing Table: 639 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: 2422 Number of LACNIC addresses announced to Internet: 73216256 Equivalent to 4 /8s, 93 /16s and 49 /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: 4288 Total AfriNIC prefixes after maximum aggregation: 1679 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 5674 Unique aggregates announced from the AfriNIC address blocks: 2776 AfriNIC Region origin ASes present in the Internet Routing Table: 224 AfriNIC Prefixes per ASN: 25.33 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 118 Number of AfriNIC addresses announced to Internet: 29765888 Equivalent to 1 /8s, 198 /16s and 49 /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 9655 8741 61 CHINAMOBILE-CN China Mobile Communicati 56047 1497 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1482 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1446 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 734 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 7497 442 180 24 CSTNET-AS-AP Computer Network Informati 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 9852 11373 3443 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2813 3538 1345 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1693 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1579 102 1157 USDA-1, US 5972 1395 392 646 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 16625 880 403 801 AKAMAI-AS, 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 1359 114 1100 AKAMAI-ASN1, NL 3215 899 4829 296 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 718 60 21 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 439 82 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 382 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 5394 1558 888 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 589 106 223 Techtel LMDS Comunicaciones Interactiva 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 500 64 421 Telmex Colombia S.A., CO 13999 478 65 203 Mega Cable, S.A. de C.V., MX 27843 226 20 32 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 671 241 203 LINKdotNET-AS, EG 36992 411 656 267 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 266 66 79 Vodafone-, EG 36914 202 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 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 9852 11373 3443 AMAZON-02, US 9808 9655 8741 61 CHINAMOBILE-CN China Mobile Communicati 8151 5394 1558 888 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2813 3538 1345 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1693 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1579 102 1157 USDA-1, US 56047 1497 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 9655 9594 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5394 4506 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2813 1468 DNIC-ASBLK-00306-00371, US 56047 1497 1450 CMNET-HUNAN-AP China Mobile communications corp 209 1693 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1446 1373 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1482 1372 CMNET-JIANGSU-AP China Mobile communications co 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 /11:28 /12:79 /13:115 /14:338 /15:672 /16:5889 /17:2461 /18:2584 /19:5243 /20:8435 /21:10662 /22:19578 /23:20240 /24:107352 /25:76 /26:50 /27:71 /28:19 /29:21 /30:18 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2955 5394 UNINET, MX 16509 2093 9852 AMAZON-02, US 209 956 1693 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 707 848 BRSPD-PUBLIC, US 6147 679 1081 Telefonica del Peru S.A.A., PE 8376 563 718 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) ---------------------------------------------- 1:10 2:386 3:290 5:1073 6:147 7:5 8:620 11:171 12:655 13:320 14:102 15:281 16:174 17:6 18:705 20:34 21:4 22:188 23:1790 24:402 25:2 27:25 29:19 31:171 32:1 34:5 35:53 36:1157 37:466 38:832 39:522 40:9 41:509 42:22 43:181 44:28 45:2383 46:576 47:99 49:10 50:251 51:470 52:1353 54:271 55:996 57:16 58:4 59:32 60:19 61:67 62:347 63:469 64:1442 65:796 66:1208 67:666 68:164 69:735 70:147 71:189 72:369 74:729 75:392 76:208 77:284 78:488 79:163 80:201 81:186 82:175 83:95 84:180 85:286 86:147 87:143 88:120 89:492 90:97 91:544 92:401 93:785 94:494 95:1087 96:174 97:31 98:126 99:145 100:23 101:22 102:216 103:1085 104:696 105:31 106:3 107:203 108:298 109:235 110:26 111:1799 112:447 113:40 114:32 115:12 116:31 117:948 118:66 119:97 120:1086 121:32 122:85 123:23 124:57 125:13 128:363 129:275 130:476 131:778 132:498 133:267 134:339 135:67 136:357 137:415 138:764 139:377 140:586 141:323 142:683 143:609 144:320 145:61 146:474 147:315 148:598 149:514 150:292 151:490 152:360 153:117 154:573 155:665 156:443 157:262 158:311 159:526 160:340 161:415 162:678 163:289 164:633 165:374 166:97 167:377 168:992 169:157 170:1231 171:65 172:899 173:618 174:103 175:46 176:396 177:696 178:288 179:498 180:47 181:975 182:20 183:852 184:208 185:2244 186:1010 187:768 188:475 189:1117 190:2896 191:188 192:3666 193:1217 194:792 195:557 196:376 197:389 198:1897 199:3370 200:2726 201:2454 202:1065 203:600 204:1740 205:1657 206:1137 207:1049 208:961 209:1443 210:339 211:431 212:676 213:544 214:1036 215:43 216:1670 217:280 218:516 219:21 220:29 221:302 222:22 223:634 End of report