IPv4 R&E Routing Table Report 20:15 GMT Sun 11 Feb, 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: 187891 Prefixes after maximum aggregation (per Origin AS): 82550 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103437 Number of IPv4 prefixes with a valid ROA: 72008 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 115858 Total ASes present in the Internet Routing Table: 16015 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 13867 Origin ASes announcing only one prefix: 6368 Transit ASes present in the Internet Routing Table: 2148 Transit-only ASes present in the Internet Routing Table: 579 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 ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 228 Number of instances of unregistered ASNs: 228 Number of 32-bit ASNs allocated by the RIRs: 43609 Number of 32-bit ASNs visible in the Routing Table: 5743 Prefixes from 32-bit ASNs in the Routing Table: 19013 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: 81 Number of addresses announced to Internet: 1069862969 Equivalent to 63 /8s, 196 /16s and 208 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56107 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28700 Total APNIC prefixes after maximum aggregation: 6501 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28470 Unique aggregates announced from the APNIC address blocks: 7523 APNIC Region origin ASes present in the Internet Routing Table: 1080 APNIC Prefixes per ASN: 26.36 APNIC Region origin ASes announcing only one prefix: 438 APNIC Region transit ASes present in the Internet Routing Table: 182 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 463 Number of APNIC addresses announced to Internet: 172020360 Equivalent to 10 /8s, 64 /16s and 210 /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: 83092 Total ARIN prefixes after maximum aggregation: 45539 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82478 Unique aggregates announced from the ARIN address blocks: 51766 ARIN Region origin ASes present in the Internet Routing Table: 7367 ARIN Prefixes per ASN: 11.20 ARIN Region origin ASes announcing only one prefix: 3160 ARIN Region transit ASes present in the Internet Routing Table: 656 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: 1495 Number of ARIN addresses announced to Internet: 606291937 Equivalent to 36 /8s, 35 /16s and 71 /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: 39188 Total RIPE prefixes after maximum aggregation: 18425 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 39155 Unique aggregates announced from the RIPE address blocks: 25525 RIPE Region origin ASes present in the Internet Routing Table: 3595 RIPE Prefixes per ASN: 10.89 RIPE Region origin ASes announcing only one prefix: 1576 RIPE Region transit ASes present in the Internet Routing Table: 537 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1303 Number of RIPE addresses announced to Internet: 189584336 Equivalent to 11 /8s, 76 /16s and 211 /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: 31885 Total LACNIC prefixes after maximum aggregation: 10133 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31624 Unique aggregates announced from the LACNIC address blocks: 15632 LACNIC Region origin ASes present in the Internet Routing Table: 3095 LACNIC Prefixes per ASN: 10.22 LACNIC Region origin ASes announcing only one prefix: 1115 LACNIC Region transit ASes present in the Internet Routing Table: 616 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2387 Number of LACNIC addresses announced to Internet: 73702912 Equivalent to 4 /8s, 100 /16s and 158 /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: 4798 Total AfriNIC prefixes after maximum aggregation: 1765 AfriNIC Deaggregation factor: 2.72 Prefixes being announced from the AfriNIC address blocks: 6083 Unique aggregates announced from the AfriNIC address blocks: 2912 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 29.67 AfriNIC Region origin ASes announcing only one prefix: 79 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 95 Number of AfriNIC addresses announced to Internet: 28216832 Equivalent to 1 /8s, 174 /16s and 142 /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 9635 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 438 488 106 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 9653 11230 3370 AMAZON-02, US 749 3185 54927 2436 DNIC-AS-00749, US 367 2915 3726 1421 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1708 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1478 395 654 DNIC-ASBLK-05800-06055, US 4155 1148 75 930 USDA-1, US 7979 979 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 917 430 843 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1352 112 1097 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 620 1841 12 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, 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 5301 1561 964 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 589 108 221 Techtel LMDS Comunicaciones Interactiva 26599 547 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 477 68 210 Mega Cable, S.A. de C.V., MX 22368 247 27 75 TELEBUCARAMANGA S.A. E.S.P., CO 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 578 272 152 LINKdotNET-AS, EG 36992 489 777 258 ETISALAT-MISR, EG 36914 482 82 3 KENET-AS, KE 29571 415 30 215 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 24835 204 164 112 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 160 28 3 RENU, UG 37480 141 9 23 Cobranet, NG 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 9653 11230 3370 AMAZON-02, US 9808 9635 8738 50 CHINAMOBILE-CN China Mobile Communicati 8151 5301 1561 964 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3185 54927 2436 DNIC-AS-00749, US 367 2915 3726 1421 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1708 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1478 395 654 DNIC-ASBLK-05800-06055, US 56047 1469 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 9635 9585 CHINAMOBILE-CN China Mobile Communications Grou 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5301 4337 UNINET, MX 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2915 1494 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1708 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1305 1108 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, 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 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 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 /11:29 /12:77 /13:130 /14:362 /15:738 /16:5554 /17:2655 /18:2751 /19:5732 /20:8828 /21:10920 /22:20442 /23:20658 /24:108722 /25:78 /26:51 /27:73 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2878 5301 UNINET, MX 16509 2035 9653 AMAZON-02, US 209 965 1708 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1854 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 684 1086 Telefonica del Peru S.A.A., PE 19901 677 814 BRSPD-PUBLIC, US 8376 564 722 Jordan Data Communications, JO 15897 471 551 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:477 3:266 5:1101 6:152 7:5 8:621 11:171 12:252 13:320 14:97 15:280 16:169 17:6 18:681 20:30 21:4 22:188 23:1871 24:541 25:2 27:17 29:19 31:233 32:2 34:2 35:53 36:1110 37:539 38:877 39:523 40:8 41:644 42:14 43:175 44:31 45:2349 46:612 47:148 49:10 50:261 51:468 52:1364 54:304 55:882 57:18 58:6 59:31 60:20 61:62 62:379 63:472 64:1537 65:817 66:1330 67:720 68:151 69:763 70:156 71:195 72:381 74:757 75:392 76:207 77:273 78:553 79:167 80:203 81:199 82:181 83:96 84:183 85:332 86:155 87:165 88:139 89:332 90:97 91:564 92:393 93:803 94:487 95:1129 96:170 97:35 98:131 99:147 100:42 101:25 102:188 103:975 104:704 105:16 106:2 107:299 108:322 109:225 110:30 111:1742 112:455 113:40 114:31 115:11 116:32 117:951 118:45 119:99 120:1088 121:31 122:79 123:20 124:55 125:12 128:413 129:286 130:508 131:766 132:509 133:264 134:333 135:69 136:365 137:438 138:703 139:441 140:540 141:192 142:725 143:600 144:313 145:77 146:489 147:326 148:595 149:523 150:280 151:550 152:356 153:113 154:465 155:660 156:331 157:231 158:320 159:525 160:535 161:457 162:686 163:288 164:592 165:388 166:125 167:383 168:913 169:151 170:1211 171:60 172:963 173:627 174:109 175:37 176:421 177:708 178:278 179:462 180:46 181:963 182:8 183:853 184:208 185:2330 186:1013 187:781 188:538 189:1062 190:2931 191:189 192:3738 193:1331 194:893 195:665 196:450 197:639 198:1945 199:2986 200:2724 201:2627 202:932 203:627 204:1771 205:1642 206:1095 207:1082 208:999 209:1391 210:293 211:445 212:761 213:663 214:1068 215:37 216:1707 217:352 218:515 219:20 220:30 221:292 222:18 223:628 End of report