IPv4 R&E Routing Table Report 20:15 GMT Thu 28 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: 257119 Prefixes after maximum aggregation (per Origin AS): 114100 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138975 Number of IPv4 prefixes with a valid ROA: 97771 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159320 Total ASes present in the Internet Routing Table: 20644 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 17971 Origin ASes announcing only one prefix: 8013 Transit ASes present in the Internet Routing Table: 2673 Transit-only ASes present in the Internet Routing Table: 657 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: 373 Number of instances of unregistered ASNs: 373 Number of 32-bit ASNs allocated by the RIRs: 43276 Number of 32-bit ASNs visible in the Routing Table: 7465 Prefixes from 32-bit ASNs in the Routing Table: 26695 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: 126 Number of addresses announced to Internet: 1488099433 Equivalent to 88 /8s, 178 /16s and 152 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 86868 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30597 Total APNIC prefixes after maximum aggregation: 7256 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30242 Unique aggregates announced from the APNIC address blocks: 8434 APNIC Region origin ASes present in the Internet Routing Table: 1186 APNIC Prefixes per ASN: 25.50 APNIC Region origin ASes announcing only one prefix: 485 APNIC Region transit ASes present in the Internet Routing Table: 196 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 22 Number of APNIC region 32-bit ASNs visible in the Routing Table: 519 Number of APNIC addresses announced to Internet: 214561928 Equivalent to 12 /8s, 201 /16s and 244 /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: 119398 Total ARIN prefixes after maximum aggregation: 62786 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119235 Unique aggregates announced from the ARIN address blocks: 69558 ARIN Region origin ASes present in the Internet Routing Table: 9606 ARIN Prefixes per ASN: 12.41 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2038 Number of ARIN addresses announced to Internet: 838574817 Equivalent to 49 /8s, 251 /16s and 162 /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: 55500 Total RIPE prefixes after maximum aggregation: 28101 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54592 Unique aggregates announced from the RIPE address blocks: 36940 RIPE Region origin ASes present in the Internet Routing Table: 5137 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 2183 RIPE Region transit ASes present in the Internet Routing Table: 721 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1970 Number of RIPE addresses announced to Internet: 303473408 Equivalent to 18 /8s, 22 /16s and 163 /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: 42695 Total LACNIC prefixes after maximum aggregation: 13353 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 42001 Unique aggregates announced from the LACNIC address blocks: 20145 LACNIC Region origin ASes present in the Internet Routing Table: 3658 LACNIC Prefixes per ASN: 11.48 LACNIC Region origin ASes announcing only one prefix: 1300 LACNIC Region transit ASes present in the Internet Routing Table: 736 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2823 Number of LACNIC addresses announced to Internet: 90661632 Equivalent to 5 /8s, 103 /16s and 99 /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: 8556 Total AfriNIC prefixes after maximum aggregation: 2317 AfriNIC Deaggregation factor: 3.69 Prefixes being announced from the AfriNIC address blocks: 10923 Unique aggregates announced from the AfriNIC address blocks: 3774 AfriNIC Region origin ASes present in the Internet Routing Table: 247 AfriNIC Prefixes per ASN: 44.22 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115 Number of AfriNIC addresses announced to Internet: 40753664 Equivalent to 2 /8s, 109 /16s and 218 /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 9599 8738 49 CHINAMOBILE-CN China Mobile Communicati 56047 1498 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1434 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1432 842 106 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 738 10616 152 GIGAINFRA SoftBank Corp., JP 2907 594 2146 462 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 9394 474 4145 48 CTTNET China TieTong Telecommunications 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 9463 11200 3349 AMAZON-02, US 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3844 1418 DNIC-ASBLK-00306-00371, US 7018 2527 23623 1573 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1743 3091 459 CELLCO-PART, US 209 1710 4899 327 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 4641 279 54 ALJAWWALSTC-AS, SA 20940 1524 135 1220 AKAMAI-ASN1, NL 3215 893 4823 300 France Telecom - Orange, FR 25019 833 1035 152 SAUDINETSTC-AS, SA 8452 831 1841 14 TE-AS TE-AS, EG 61317 798 55 711 ASDETUK www.heficed.com, US 34984 750 87 476 TELLCOM-AS, TR 8376 723 59 21 Jordan Data Communications, JO 8386 708 109 239 KOCNET, TR 15897 584 188 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 5945 1675 1003 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 992 1120 28 TELEFONICA BRASIL S.A, BR 11664 924 151 398 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 1185 388 22 LINKdotNET-AS, EG 24835 1013 457 25 RAYA-AS, EG 36935 675 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 515 82 3 KENET-AS, KE 15399 429 38 145 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 390 36 163 ORANGE-COTE-IVOIRE, CI 2018 380 319 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 9599 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9463 11200 3349 AMAZON-02, US 8151 5945 1675 1003 UNINET, MX 39891 4641 279 54 ALJAWWALSTC-AS, SA 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3844 1418 DNIC-ASBLK-00306-00371, US 7018 2527 23623 1573 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 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 9463 6114 AMAZON-02, US 8151 5945 4942 UNINET, MX 39891 4641 4587 ALJAWWALSTC-AS, SA 22773 3495 3202 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2007 1943 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2971 1553 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1498 1464 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1383 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 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 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 /10:28 /11:45 /12:130 /13:188 /14:509 /15:1035 /16:7453 /17:3488 /18:4026 /19:7904 /20:12271 /21:15416 /22:28564 /23:29011 /24:146751 /25:85 /26:61 /27:72 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4641 ALJAWWALSTC-AS, SA 8151 3148 5945 UNINET, MX 22773 2552 3495 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1951 9463 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1405 1990 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1101 2527 ATT-INTERNET4, US 209 965 1710 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) ---------------------------------------------- 1:15 2:523 3:251 4:5 5:1319 6:150 7:5 8:733 11:171 12:1099 13:316 14:103 15:285 16:167 17:6 18:658 20:244 21:4 22:188 23:2398 24:780 25:2 27:25 29:19 31:424 32:37 34:2 35:57 36:1106 37:834 38:1361 39:508 40:62 41:940 42:20 43:291 44:41 45:3435 46:868 47:153 49:22 50:341 51:478 52:1386 54:339 55:891 56:5 57:23 58:7 59:32 60:18 61:60 62:610 63:889 64:2072 65:1151 66:2228 67:953 68:589 69:1195 70:492 71:266 72:689 74:1049 75:437 76:244 77:347 78:611 79:253 80:371 81:347 82:276 83:158 84:347 85:464 86:198 87:284 88:220 89:574 90:102 91:957 92:497 93:927 94:690 95:1220 96:280 97:70 98:552 99:164 100:45 101:31 102:296 103:1179 104:1401 105:64 106:42 107:1420 108:531 109:325 110:32 111:1739 112:473 113:61 114:33 115:17 116:47 117:952 118:64 119:151 120:1072 121:37 122:87 123:79 124:57 125:16 128:445 129:379 130:611 131:1054 132:557 133:267 134:439 135:130 136:394 137:580 138:878 139:531 140:575 141:279 142:802 143:655 144:380 145:90 146:621 147:424 148:696 149:705 150:293 151:609 152:538 153:146 154:644 155:762 156:600 157:329 158:424 159:660 160:664 161:635 162:969 163:405 164:661 165:809 166:568 167:619 168:1404 169:182 170:1506 171:98 172:1284 173:859 174:280 175:42 176:826 177:835 178:383 179:667 180:61 181:1640 182:16 183:870 184:503 185:3427 186:1880 187:855 188:790 189:1326 190:4371 191:340 192:4907 193:1999 194:1455 195:1116 196:939 197:759 198:2579 199:3417 200:3197 201:3219 202:1090 203:643 204:2230 205:1846 206:1633 207:1410 208:1418 209:1924 210:336 211:472 212:1061 213:874 214:1076 215:44 216:2527 217:569 218:524 219:24 220:29 221:292 222:20 223:619 End of report