IPv4 R&E Routing Table Report 20:15 GMT Fri 26 Jan, 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: 188820 Prefixes after maximum aggregation (per Origin AS): 82960 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103210 Number of IPv4 prefixes with a valid ROA: 72012 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116785 Total ASes present in the Internet Routing Table: 16104 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 13947 Origin ASes announcing only one prefix: 6436 Transit ASes present in the Internet Routing Table: 2157 Transit-only ASes present in the Internet Routing Table: 599 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 232 Number of instances of unregistered ASNs: 232 Number of 32-bit ASNs allocated by the RIRs: 43481 Number of 32-bit ASNs visible in the Routing Table: 5812 Prefixes from 32-bit ASNs in the Routing Table: 19237 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: 1075561641 Equivalent to 64 /8s, 27 /16s and 196 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 29.1 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: 55994 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28970 Total APNIC prefixes after maximum aggregation: 6597 APNIC Deaggregation factor: 4.39 Prefixes being announced from the APNIC address blocks: 28668 Unique aggregates announced from the APNIC address blocks: 7741 APNIC Region origin ASes present in the Internet Routing Table: 1069 APNIC Prefixes per ASN: 26.82 APNIC Region origin ASes announcing only one prefix: 444 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 464 Number of APNIC addresses announced to Internet: 172857736 Equivalent to 10 /8s, 77 /16s and 153 /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: 83459 Total ARIN prefixes after maximum aggregation: 45905 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82783 Unique aggregates announced from the ARIN address blocks: 51872 ARIN Region origin ASes present in the Internet Routing Table: 7406 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3183 ARIN Region transit ASes present in the Internet Routing Table: 658 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: 1514 Number of ARIN addresses announced to Internet: 606568161 Equivalent to 36 /8s, 39 /16s and 126 /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: 39396 Total RIPE prefixes after maximum aggregation: 18340 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39378 Unique aggregates announced from the RIPE address blocks: 25490 RIPE Region origin ASes present in the Internet Routing Table: 3593 RIPE Prefixes per ASN: 10.96 RIPE Region origin ASes announcing only one prefix: 1574 RIPE Region transit ASes present in the Internet Routing Table: 535 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1296 Number of RIPE addresses announced to Internet: 194467648 Equivalent to 11 /8s, 151 /16s and 87 /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: 32043 Total LACNIC prefixes after maximum aggregation: 10220 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 31787 Unique aggregates announced from the LACNIC address blocks: 15186 LACNIC Region origin ASes present in the Internet Routing Table: 3138 LACNIC Prefixes per ASN: 10.13 LACNIC Region origin ASes announcing only one prefix: 1154 LACNIC Region transit ASes present in the Internet Routing Table: 623 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2442 Number of LACNIC addresses announced to Internet: 73380352 Equivalent to 4 /8s, 95 /16s and 178 /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: 4720 Total AfriNIC prefixes after maximum aggregation: 1710 AfriNIC Deaggregation factor: 2.76 Prefixes being announced from the AfriNIC address blocks: 6123 Unique aggregates announced from the AfriNIC address blocks: 2842 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 29.87 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 96 Number of AfriNIC addresses announced to Internet: 28246528 Equivalent to 1 /8s, 175 /16s and 2 /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 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1441 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1436 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 782 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 23 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 9495 11232 3384 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2915 3731 1418 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1496 392 670 DNIC-ASBLK-05800-06055, US 4155 1092 71 895 USDA-1, US 7979 970 64 194 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 916 433 842 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 1405 120 1134 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 724 60 22 Jordan Data Communications, JO 8452 660 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 CONTABO, DE 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 4754 1345 894 UNINET, MX 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1084 324 7 Instituto Costarricense de Electricidad 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 578 106 218 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27651 329 62 8 ENTEL CHILE S.A., CL 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 565 276 159 LINKdotNET-AS, EG 36914 485 82 3 KENET-AS, KE 29571 410 30 210 ORANGE-COTE-IVOIRE, CI 2018 361 319 70 TENET-1, ZA 36992 305 670 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 169 471 43 ORANGE-, TN 327687 163 28 3 RENU, UG 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 9808 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9495 11232 3384 AMAZON-02, US 8151 4754 1345 894 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2915 3731 1418 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1496 392 670 DNIC-ASBLK-05800-06055, US 56047 1468 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 16509 9495 6111 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 4754 3860 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2915 1497 DNIC-ASBLK-00306-00371, US 56047 1468 1434 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1441 1368 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1436 1329 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1114 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 /11:30 /12:78 /13:130 /14:366 /15:743 /16:5600 /17:2680 /18:2806 /19:5723 /20:9088 /21:11156 /22:20610 /23:20489 /24:109035 /25:79 /26:50 /27:67 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2571 4754 UNINET, MX 16509 1977 9495 AMAZON-02, US 209 968 1713 CENTURYLINK-US-LEGACY-QWEST, US 11830 923 1084 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 670 807 BRSPD-PUBLIC, US 8376 567 724 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:504 3:255 5:1086 6:150 7:5 8:620 11:171 12:255 13:318 14:102 15:279 16:165 17:6 18:665 20:30 21:4 22:188 23:1852 24:539 25:2 27:15 29:19 31:243 32:2 34:2 35:52 36:1109 37:496 38:838 39:515 40:8 41:655 42:12 43:171 44:38 45:2352 46:602 47:149 49:14 50:303 51:468 52:1366 54:322 55:886 57:18 58:7 59:31 60:19 61:59 62:318 63:479 64:1539 65:824 66:1325 67:724 68:153 69:763 70:157 71:210 72:379 74:760 75:389 76:214 77:244 78:562 79:161 80:198 81:210 82:195 83:91 84:176 85:336 86:149 87:169 88:140 89:307 90:97 91:578 92:390 93:797 94:488 95:1101 96:167 97:36 98:129 99:147 100:41 101:22 102:190 103:942 104:755 105:16 106:2 107:285 108:355 109:226 110:32 111:1744 112:445 113:40 114:30 115:10 116:30 117:951 118:46 119:96 120:1086 121:32 122:86 123:20 124:55 125:11 128:411 129:286 130:504 131:769 132:508 133:263 134:334 135:68 136:369 137:423 138:714 139:462 140:510 141:178 142:757 143:615 144:323 145:87 146:488 147:332 148:583 149:522 150:283 151:542 152:355 153:113 154:473 155:659 156:412 157:237 158:314 159:533 160:543 161:459 162:701 163:272 164:612 165:393 166:126 167:379 168:942 169:148 170:1197 171:61 172:972 173:633 174:113 175:38 176:420 177:705 178:291 179:489 180:43 181:1061 182:14 183:861 184:214 185:2309 186:1016 187:700 188:534 189:990 190:2998 191:216 192:3749 193:1371 194:896 195:676 196:463 197:658 198:1963 199:2959 200:2891 201:2533 202:898 203:595 204:1780 205:1636 206:1093 207:1087 208:993 209:1377 210:310 211:458 212:765 213:669 214:1062 215:37 216:1758 217:347 218:516 219:29 220:28 221:292 222:23 223:621 End of report