IPv4 R&E Routing Table Report 20:15 GMT Sat 16 Mar, 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: 184482 Prefixes after maximum aggregation (per Origin AS): 80293 Deaggregation factor: 2.30 Unique aggregates announced (without unneeded subnets): 101185 Number of IPv4 prefixes with a valid ROA: 70629 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 113830 Total ASes present in the Internet Routing Table: 15535 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 13405 Origin ASes announcing only one prefix: 6072 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 589 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: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 214 Number of instances of unregistered ASNs: 214 Number of 32-bit ASNs allocated by the RIRs: 43843 Number of 32-bit ASNs visible in the Routing Table: 5632 Prefixes from 32-bit ASNs in the Routing Table: 18679 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: 88 Number of addresses announced to Internet: 1023593401 Equivalent to 61 /8s, 2 /16s and 203 /24s Percentage of available address space announced: 27.6 Percentage of allocated address space announced: 27.6 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: 54305 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28632 Total APNIC prefixes after maximum aggregation: 6474 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28373 Unique aggregates announced from the APNIC address blocks: 7506 APNIC Region origin ASes present in the Internet Routing Table: 1095 APNIC Prefixes per ASN: 25.91 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 179 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 476 Number of APNIC addresses announced to Internet: 157582984 Equivalent to 9 /8s, 100 /16s and 134 /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: 82243 Total ARIN prefixes after maximum aggregation: 44686 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81140 Unique aggregates announced from the ARIN address blocks: 50477 ARIN Region origin ASes present in the Internet Routing Table: 7183 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3056 ARIN Region transit ASes present in the Internet Routing Table: 639 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: 1458 Number of ARIN addresses announced to Internet: 605447521 Equivalent to 36 /8s, 22 /16s and 101 /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: 35479 Total RIPE prefixes after maximum aggregation: 16880 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 35902 Unique aggregates announced from the RIPE address blocks: 24038 RIPE Region origin ASes present in the Internet Routing Table: 3268 RIPE Prefixes per ASN: 10.99 RIPE Region origin ASes announcing only one prefix: 1403 RIPE Region transit ASes present in the Internet Routing Table: 510 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1205 Number of RIPE addresses announced to Internet: 155618512 Equivalent to 9 /8s, 70 /16s and 140 /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: 33180 Total LACNIC prefixes after maximum aggregation: 10219 LACNIC Deaggregation factor: 3.25 Prefixes being announced from the LACNIC address blocks: 32909 Unique aggregates announced from the LACNIC address blocks: 16041 LACNIC Region origin ASes present in the Internet Routing Table: 3093 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 1089 LACNIC Region transit ASes present in the Internet Routing Table: 633 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: 2385 Number of LACNIC addresses announced to Internet: 74247168 Equivalent to 4 /8s, 108 /16s and 236 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 4734 Total AfriNIC prefixes after maximum aggregation: 1857 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 6070 Unique aggregates announced from the AfriNIC address blocks: 3039 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 28.50 AfriNIC Region origin ASes announcing only one prefix: 82 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: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 108 Number of AfriNIC addresses announced to Internet: 30647552 Equivalent to 1 /8s, 211 /16s and 165 /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 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 433 488 105 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 9720 11333 3388 AMAZON-02, US 749 3193 54919 2445 DNIC-AS-00749, US 367 2919 3631 1405 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1514 98 1138 USDA-1, US 5972 1438 394 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 868 406 799 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 4625 278 64 ALJAWWALSTC-AS, SA 20940 1300 113 1061 AKAMAI-ASN1, NL 3215 897 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 58224 558 244 384 TCI, IR 51167 439 81 186 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 34984 424 63 347 TELLCOM-AS, TR 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 6020 1627 848 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 UNIFIQUE TELECOMUNICACOES SA, BR 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 682 240 191 LINKdotNET-AS, EG 36992 538 691 304 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 37054 226 17 115 Telecom-Malagasy, MG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 163 28 3 RENU, UG 37282 159 22 47 MAINONE, NG 37492 156 471 44 ORANGE-, TN 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 9720 11333 3388 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 6020 1627 848 UNINET, MX 39891 4625 278 64 ALJAWWALSTC-AS, SA 749 3193 54919 2445 DNIC-AS-00749, US 367 2919 3631 1405 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1514 98 1138 USDA-1, US 56047 1474 188 34 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 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 8151 6020 5172 UNINET, MX 39891 4625 4561 ALJAWWALSTC-AS, SA 11776 1859 1640 ATLANTICBB-JOHNSTOWN, US 367 2919 1514 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 7018 ATT-INTERNET4, US 16994 UNALLOCATED 12.184.248.0/24 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 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 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 /10:14 /11:25 /12:71 /13:112 /14:334 /15:673 /16:5276 /17:2508 /18:2585 /19:5347 /20:8630 /21:11133 /22:19777 /23:20412 /24:107305 /25:81 /26:51 /27:74 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3311 4625 ALJAWWALSTC-AS, SA 8151 3231 6020 UNINET, MX 16509 2036 9720 AMAZON-02, US 209 962 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1859 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 690 829 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 562 722 Jordan Data Communications, JO 7979 446 997 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 2:478 3:279 5:986 6:148 7:5 8:619 11:171 12:258 13:322 14:99 15:281 16:174 17:6 18:700 20:33 21:4 22:188 23:1824 24:407 25:2 27:17 29:19 31:167 32:1 34:5 35:53 36:1119 37:585 38:816 39:523 40:8 41:558 42:20 43:183 44:29 45:2307 46:570 47:99 49:11 50:251 51:468 52:1355 54:272 55:971 57:16 58:6 59:34 60:19 61:63 62:338 63:464 64:1435 65:798 66:1212 67:675 68:164 69:716 70:147 71:190 72:372 74:723 75:389 76:207 77:267 78:542 79:160 80:199 81:172 82:180 83:99 84:187 85:327 86:146 87:149 88:125 89:481 90:98 91:503 92:428 93:771 94:526 95:1058 96:165 97:32 98:125 99:144 100:22 101:25 102:315 103:1037 104:685 105:29 106:2 107:218 108:294 109:233 110:29 111:1752 112:449 113:40 114:32 115:11 116:31 117:946 118:53 119:95 120:1090 121:31 122:81 123:20 124:57 125:12 128:330 129:292 130:505 131:778 132:504 133:263 134:328 135:65 136:374 137:452 138:761 139:404 140:573 141:324 142:693 143:584 144:319 145:61 146:460 147:320 148:611 149:513 150:291 151:545 152:367 153:117 154:506 155:657 156:364 157:224 158:316 159:531 160:316 161:419 162:694 163:294 164:618 165:363 166:100 167:382 168:989 169:150 170:1240 171:62 172:897 173:616 174:105 175:46 176:412 177:733 178:332 179:487 180:43 181:998 182:12 183:854 184:198 185:2198 186:1041 187:958 188:498 189:1112 190:2989 191:192 192:3687 193:1213 194:779 195:565 196:464 197:434 198:1886 199:3312 200:2731 201:2586 202:938 203:605 204:1775 205:1621 206:1122 207:1059 208:981 209:1405 210:291 211:422 212:707 213:550 214:1025 215:37 216:1686 217:292 218:515 219:19 220:30 221:300 222:18 223:628 End of report