IPv4 R&E Routing Table Report 20:15 GMT Sat 09 Dec, 2023 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: 255910 Prefixes after maximum aggregation (per Origin AS): 113205 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 137831 Number of IPv4 prefixes with a valid ROA: 96164 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159718 Total ASes present in the Internet Routing Table: 20637 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 17975 Origin ASes announcing only one prefix: 8027 Transit ASes present in the Internet Routing Table: 2662 Transit-only ASes present in the Internet Routing Table: 656 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 421 Number of instances of unregistered ASNs: 421 Number of 32-bit ASNs allocated by the RIRs: 43210 Number of 32-bit ASNs visible in the Routing Table: 7441 Prefixes from 32-bit ASNs in the Routing Table: 26379 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: 134 Number of addresses announced to Internet: 1486154313 Equivalent to 88 /8s, 148 /16s and 234 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 40.1 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: 86558 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30692 Total APNIC prefixes after maximum aggregation: 7267 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30282 Unique aggregates announced from the APNIC address blocks: 8385 APNIC Region origin ASes present in the Internet Routing Table: 1200 APNIC Prefixes per ASN: 25.23 APNIC Region origin ASes announcing only one prefix: 487 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 527 Number of APNIC addresses announced to Internet: 213096584 Equivalent to 12 /8s, 179 /16s and 152 /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: 118855 Total ARIN prefixes after maximum aggregation: 62374 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118818 Unique aggregates announced from the ARIN address blocks: 68957 ARIN Region origin ASes present in the Internet Routing Table: 9627 ARIN Prefixes per ASN: 12.34 ARIN Region origin ASes announcing only one prefix: 3958 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2040 Number of ARIN addresses announced to Internet: 841597377 Equivalent to 50 /8s, 41 /16s and 193 /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: 55166 Total RIPE prefixes after maximum aggregation: 27791 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54173 Unique aggregates announced from the RIPE address blocks: 36588 RIPE Region origin ASes present in the Internet Routing Table: 5119 RIPE Prefixes per ASN: 10.58 RIPE Region origin ASes announcing only one prefix: 2190 RIPE Region transit ASes present in the Internet Routing Table: 699 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1958 Number of RIPE addresses announced to Internet: 302789120 Equivalent to 18 /8s, 12 /16s and 50 /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: 41939 Total LACNIC prefixes after maximum aggregation: 13126 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41300 Unique aggregates announced from the LACNIC address blocks: 19759 LACNIC Region origin ASes present in the Internet Routing Table: 3635 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 1303 LACNIC Region transit ASes present in the Internet Routing Table: 733 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2802 Number of LACNIC addresses announced to Internet: 87934208 Equivalent to 5 /8s, 61 /16s and 197 /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: 8837 Total AfriNIC prefixes after maximum aggregation: 2358 AfriNIC Deaggregation factor: 3.75 Prefixes being announced from the AfriNIC address blocks: 11203 Unique aggregates announced from the AfriNIC address blocks: 4015 AfriNIC Region origin ASes present in the Internet Routing Table: 246 AfriNIC Prefixes per ASN: 45.54 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 114 Number of AfriNIC addresses announced to Internet: 40596224 Equivalent to 2 /8s, 107 /16s and 115 /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 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1505 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1417 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 663 4270 56 CTTNET China TieTong Telecommunications 2907 601 2159 464 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9444 11185 3334 AMAZON-02, US 22773 3498 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2976 3840 1411 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1843 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1733 3034 443 CELLCO-PART, US 209 1713 4899 329 CENTURYLINK-US-LEGACY-QWEST, 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 4502 267 55 ALJAWWALSTC-AS, SA 20940 1582 140 1255 AKAMAI-ASN1, NL 61317 910 60 767 ASDETUK www.heficed.com, US 8452 904 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 872 1035 152 SAUDINETSTC-AS, SA 34984 830 107 526 TELLCOM-AS, TR 8386 707 109 242 KOCNET, TR 58224 643 447 474 TCI, IR 15897 580 188 20 VODAFONETURKEY, 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 5875 1672 1008 UNINET, MX 11830 2001 369 64 Instituto Costarricense de Electricidad 10620 1875 265 1236 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 920 148 402 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 TELEFONICA BRASIL S.A, 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 1175 388 22 LINKdotNET-AS, EG 24835 1029 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 988 337 ETISALAT-MISR, EG 36914 525 82 3 KENET-AS, KE 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 383 36 160 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, 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 9808 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9444 11185 3334 AMAZON-02, US 8151 5875 1672 1008 UNINET, MX 39891 4502 267 55 ALJAWWALSTC-AS, SA 22773 3498 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2976 3840 1411 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 11830 2001 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 FRONTIER-FRTR, US 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 9444 6110 AMAZON-02, US 8151 5875 4867 UNINET, MX 39891 4502 4447 ALJAWWALSTC-AS, SA 22773 3498 3203 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2001 1937 Instituto Costarricense de Electricidad y Telec 11776 1843 1622 ATLANTICBB-JOHNSTOWN, US 367 2976 1565 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1505 1471 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1384 CENTURYLINK-US-LEGACY-QWEST, US 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US 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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:499 /15:1000 /16:7430 /17:3485 /18:4030 /19:7867 /20:12287 /21:15447 /22:28573 /23:29036 /24:145568 /25:85 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3256 4502 ALJAWWALSTC-AS, SA 8151 3114 5875 UNINET, MX 22773 2556 3498 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1935 9444 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1699 2001 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1128 1875 Telmex Colombia S.A., CO 7018 1127 2576 ATT-INTERNET4, US 209 967 1713 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:14 2:528 3:248 4:5 5:1298 6:149 7:5 8:729 11:171 12:1094 13:312 14:103 15:283 16:167 17:6 18:655 20:232 21:4 22:188 23:2398 24:775 25:2 27:25 29:19 31:433 32:37 34:2 35:56 36:1063 37:916 38:1325 39:503 40:61 41:1029 42:20 43:206 44:42 45:3337 46:775 47:154 49:20 50:336 51:478 52:1389 54:356 55:802 56:5 57:23 58:7 59:33 60:18 61:70 62:583 63:890 64:2066 65:1155 66:2287 67:955 68:638 69:1248 70:496 71:264 72:691 74:1052 75:435 76:226 77:272 78:605 79:201 80:379 81:329 82:314 83:158 84:363 85:423 86:214 87:300 88:226 89:598 90:90 91:935 92:505 93:933 94:598 95:1220 96:278 97:70 98:547 99:163 100:45 101:27 102:283 103:1204 104:1398 105:68 106:42 107:1374 108:530 109:329 110:34 111:1734 112:473 113:48 114:32 115:18 116:47 117:954 118:64 119:151 120:1081 121:41 122:91 123:81 124:57 125:15 128:452 129:375 130:620 131:1095 132:559 133:267 134:440 135:120 136:416 137:545 138:889 139:539 140:580 141:272 142:786 143:670 144:376 145:90 146:596 147:419 148:691 149:684 150:291 151:587 152:519 153:146 154:610 155:762 156:619 157:322 158:436 159:658 160:663 161:634 162:951 163:405 164:658 165:567 166:586 167:624 168:1397 169:182 170:1503 171:100 172:1318 173:836 174:283 175:40 176:824 177:851 178:386 179:668 180:50 181:1586 182:15 183:876 184:505 185:3378 186:1794 187:852 188:732 189:1337 190:4240 191:337 192:4918 193:1958 194:1407 195:1128 196:919 197:866 198:2601 199:3253 200:3190 201:3209 202:1107 203:645 204:2242 205:1838 206:1638 207:1410 208:1435 209:1954 210:336 211:475 212:1028 213:837 214:1072 215:57 216:2516 217:574 218:520 219:24 220:29 221:287 222:33 223:619 End of report