IPv4 R&E Routing Table Report 20:15 GMT Mon 06 Jan, 2025 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: 257830 Prefixes after maximum aggregation (per Origin AS): 113552 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 135507 Number of IPv4 prefixes with a valid ROA: 113219 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 144587 Total ASes present in the Internet Routing Table: 20660 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 17719 Origin ASes announcing only one prefix: 7849 Transit ASes present in the Internet Routing Table: 2941 Transit-only ASes present in the Internet Routing Table: 753 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 321 Number of instances of unregistered ASNs: 322 Number of 32-bit ASNs allocated by the RIRs: 46015 Number of 32-bit ASNs visible in the Routing Table: 8184 Prefixes from 32-bit ASNs in the Routing Table: 30138 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 148 Number of addresses announced to Internet: 1571923453 Equivalent to 93 /8s, 177 /16s and 165 /24s Percentage of available address space announced: 42.5 Percentage of allocated address space announced: 42.5 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: 81571 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31418 Total APNIC prefixes after maximum aggregation: 7630 APNIC Deaggregation factor: 4.12 Prefixes being announced from the APNIC address blocks: 30553 Unique aggregates announced from the APNIC address blocks: 8288 APNIC Region origin ASes present in the Internet Routing Table: 1151 APNIC Prefixes per ASN: 26.54 APNIC Region origin ASes announcing only one prefix: 447 APNIC Region transit ASes present in the Internet Routing Table: 221 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 496 Number of APNIC addresses announced to Internet: 173467756 Equivalent to 10 /8s, 86 /16s and 232 /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: 118052 Total ARIN prefixes after maximum aggregation: 61176 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 116501 Unique aggregates announced from the ARIN address blocks: 61291 ARIN Region origin ASes present in the Internet Routing Table: 9040 ARIN Prefixes per ASN: 12.89 ARIN Region origin ASes announcing only one prefix: 3776 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2033 Number of ARIN addresses announced to Internet: 955709313 Equivalent to 56 /8s, 246 /16s and 247 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 47548 Total RIPE prefixes after maximum aggregation: 26088 RIPE Deaggregation factor: 1.82 Prefixes being announced from the RIPE address blocks: 48886 Unique aggregates announced from the RIPE address blocks: 35975 RIPE Region origin ASes present in the Internet Routing Table: 4699 RIPE Prefixes per ASN: 10.40 RIPE Region origin ASes announcing only one prefix: 1988 RIPE Region transit ASes present in the Internet Routing Table: 683 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1857 Number of RIPE addresses announced to Internet: 303679952 Equivalent to 18 /8s, 25 /16s and 201 /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, 53/8, 57/8, 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: 49900 Total LACNIC prefixes after maximum aggregation: 15386 LACNIC Deaggregation factor: 3.24 Prefixes being announced from the LACNIC address blocks: 48704 Unique aggregates announced from the LACNIC address blocks: 23552 LACNIC Region origin ASes present in the Internet Routing Table: 4570 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 1504 LACNIC Region transit ASes present in the Internet Routing Table: 963 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3634 Number of LACNIC addresses announced to Internet: 99043392 Equivalent to 5 /8s, 231 /16s and 72 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 10591 Total AfriNIC prefixes after maximum aggregation: 3048 AfriNIC Deaggregation factor: 3.47 Prefixes being announced from the AfriNIC address blocks: 13038 Unique aggregates announced from the AfriNIC address blocks: 6279 AfriNIC Region origin ASes present in the Internet Routing Table: 312 AfriNIC Prefixes per ASN: 41.79 AfriNIC Region origin ASes announcing only one prefix: 134 AfriNIC Region transit ASes present in the Internet Routing Table: 87 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 164 Number of AfriNIC addresses announced to Internet: 39951360 Equivalent to 2 /8s, 97 /16s and 156 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 9913 8753 86 CHINAMOBILE-CN China Mobile Communication 56046 1562 803 178 CMNET-JIANGSU-AP China Mobile communicati 56041 1495 714 78 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1495 192 52 CMNET-HUNAN-AP China Mobile communication 24547 831 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 642 2202 464 SINET-AS Research Organization of Informa 17676 518 9871 160 GIGAINFRA SoftBank Corp., JP 56040 481 488 104 CMNET-GUANGDONG-AP China Mobile communica 24445 468 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 12599 38848 3285 AMAZON-02, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3144 23474 2036 ATT-INTERNET4, US 367 2519 3016 1198 DNIC-ASBLK-00306-00371, US 22773 2466 2080 707 ASN-CXA-ALL-CCI-22773-RDC, US 4155 2290 163 1402 USDA-1, US 36352 1910 163 798 AS-COLOCROSSING, US 11776 1885 257 219 ATLANTICBB-JOHNSTOWN, US 6167 1747 3403 441 CELLCO-PART, US 209 1666 4895 293 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 1872 126 49 ALJAWWALSTC-AS, SA 20940 1233 96 998 AKAMAI-ASN1, NL 3215 888 4814 286 France Telecom - Orange, FR 3257 796 2073 696 GTT-BACKBONE GTT, US 8452 674 1842 17 TE-AS TE-AS, EG 25019 604 997 136 SAUDINETSTC-AS, SA 8376 589 55 26 Jordan Data Communications, JO 3320 576 8321 488 DTAG Internet service provider operations 51167 566 112 249 CONTABO, DE 62240 508 36 344 CLOUVIDER Clouvider - Global ASN, GB 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 5615 1568 806 UNINET, MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 10620 1688 252 1198 Telmex Colombia S.A., CO 3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1116 371 22 Telefonica del Peru S.A.A., PE 26615 1001 2503 53 TIM SA, BR 18881 870 1128 28 TELEFONICA BRASIL S.A, BR 27651 724 106 49 ENTEL CHILE S.A., CL 28006 650 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE 13999 551 91 233 Mega Cable, S.A. de C.V., MX 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 1552 389 18 LINKdotNET-AS, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 29571 771 61 359 ORANGE-COTE-IVOIRE, CI 24835 768 368 132 RAYA-AS, EG 37069 666 1031 15 MOBINIL, EG 36992 606 1040 255 ETISALAT-MISR, EG 36935 566 125 175 Vodafone-, EG 36914 545 82 3 KENET-AS, KE 36903 447 210 308 MT-MPLS, MA 2018 379 319 71 TENET-1, ZA 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 12599 38848 3285 AMAZON-02, US 9808 9913 8753 86 CHINAMOBILE-CN China Mobile Communication 8151 5615 1568 806 UNINET, MX 749 3262 54895 2509 DNIC-AS-00749, US 7018 3144 23474 2036 ATT-INTERNET4, US 367 2519 3016 1198 DNIC-ASBLK-00306-00371, US 22773 2466 2080 707 ASN-CXA-ALL-CCI-22773-RDC, US 4155 2290 163 1402 USDA-1, US 11830 1995 369 64 Instituto Costarricense de Electricidad y 36352 1910 163 798 AS-COLOCROSSING, 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 9808 9913 9827 CHINAMOBILE-CN China Mobile Communications Grou 8151 5615 4809 UNINET, MX 11830 1995 1931 Instituto Costarricense de Electricidad y Telec 39891 1872 1823 ALJAWWALSTC-AS, SA 22773 2466 1759 ASN-CXA-ALL-CCI-22773-RDC, US 11776 1885 1666 ATLANTICBB-JOHNSTOWN, US 24863 1552 1534 LINKdotNET-AS, EG 56047 1495 1443 CMNET-HUNAN-AP China Mobile communications corp 56041 1495 1417 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1562 1384 CMNET-JIANGSU-AP China Mobile communications 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 53966 UNALLOCATED 8.39.98.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 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 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:10 /10:34 /11:40 /12:150 /13:211 /14:564 /15:1116 /16:7659 /17:3457 /18:4126 /19:7485 /20:12271 /21:14959 /22:27806 /23:27594 /24:150140 /25:43 /26:68 /27:38 /28:17 /29:16 /30:9 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3014 5615 UNINET, MX 16509 2259 12599 AMAZON-02, US 22773 1867 2466 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1693 1995 Instituto Costarricense de Electricidad y Telecom., CR 7018 1414 3144 ATT-INTERNET4, US 39891 1017 1872 ALJAWWALSTC-AS, SA 209 946 1666 CENTURYLINK-US-LEGACY-QWEST, US 10620 941 1688 Telmex Colombia S.A., CO 19901 904 1099 BRSPD-PUBLIC, US 11776 893 1885 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:66 2:474 3:534 4:5 5:821 6:152 7:5 8:662 11:171 12:979 13:302 14:140 15:295 16:234 17:5 18:874 20:152 21:4 22:188 23:2310 24:675 27:36 29:19 31:392 32:19 34:7 35:100 36:1214 37:581 38:1966 39:526 40:52 41:1038 42:216 43:172 44:31 45:3965 46:915 47:88 49:20 50:356 51:371 52:1391 54:287 55:1028 56:8 57:18 58:29 59:25 60:16 61:77 62:529 63:769 64:1737 65:1095 66:1488 67:921 68:513 69:1127 70:301 71:206 72:576 74:895 75:432 76:249 77:367 78:302 79:279 80:316 81:368 82:344 83:203 84:343 85:518 86:224 87:222 88:251 89:818 90:96 91:1060 92:624 93:454 94:842 95:513 96:216 97:50 98:450 99:162 100:37 101:25 102:353 103:978 104:1047 105:165 106:39 107:1411 108:482 109:391 110:59 111:1877 112:449 113:39 114:63 115:26 116:54 117:995 118:175 119:139 120:1152 121:41 122:121 123:147 124:51 125:22 128:446 129:298 130:663 131:943 132:573 133:211 134:470 135:113 136:577 137:563 138:1025 139:395 140:684 141:460 142:912 143:662 144:406 145:89 146:637 147:478 148:719 149:635 150:362 151:675 152:665 153:134 154:978 155:758 156:1123 157:375 158:480 159:654 160:700 161:593 162:912 163:397 164:751 165:799 166:604 167:639 168:1519 169:145 170:1630 171:102 172:1152 173:755 174:230 175:44 176:431 177:1189 178:534 179:844 180:74 181:1900 182:49 183:867 184:445 185:3357 186:2339 187:1158 188:790 189:1435 190:5037 191:520 192:4911 193:1852 194:1306 195:952 196:739 197:1655 198:2593 199:4617 200:3827 201:3263 202:1056 203:686 204:2057 205:1998 206:1595 207:1445 208:1267 209:1918 210:312 211:427 212:986 213:801 214:1013 215:42 216:2447 217:450 218:521 219:22 220:31 221:301 222:30 223:707 End of report