IPv4 R&E Routing Table Report 20:15 GMT Tue 09 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: 256420 Prefixes after maximum aggregation (per Origin AS): 113720 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 137882 Number of IPv4 prefixes with a valid ROA: 96003 Number of IPv4 prefixes with an invalid ROA: 36 Number of IPv4 prefixes with no ROA: 160381 Total ASes present in the Internet Routing Table: 20607 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 17946 Origin ASes announcing only one prefix: 8016 Transit ASes present in the Internet Routing Table: 2661 Transit-only ASes present in the Internet Routing Table: 663 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: 372 Number of instances of unregistered ASNs: 372 Number of 32-bit ASNs allocated by the RIRs: 43337 Number of 32-bit ASNs visible in the Routing Table: 7422 Prefixes from 32-bit ASNs in the Routing Table: 26349 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: 131 Number of addresses announced to Internet: 1487666537 Equivalent to 88 /8s, 171 /16s and 253 /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: 86795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30247 Total APNIC prefixes after maximum aggregation: 7216 APNIC Deaggregation factor: 4.19 Prefixes being announced from the APNIC address blocks: 29934 Unique aggregates announced from the APNIC address blocks: 8406 APNIC Region origin ASes present in the Internet Routing Table: 1198 APNIC Prefixes per ASN: 24.99 APNIC Region origin ASes announcing only one prefix: 499 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 523 Number of APNIC addresses announced to Internet: 214620552 Equivalent to 12 /8s, 202 /16s and 217 /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: 119618 Total ARIN prefixes after maximum aggregation: 62715 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 119477 Unique aggregates announced from the ARIN address blocks: 69241 ARIN Region origin ASes present in the Internet Routing Table: 9634 ARIN Prefixes per ASN: 12.40 ARIN Region origin ASes announcing only one prefix: 3946 ARIN Region transit ASes present in the Internet Routing Table: 862 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: 2050 Number of ARIN addresses announced to Internet: 838146785 Equivalent to 49 /8s, 245 /16s and 26 /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: 55636 Total RIPE prefixes after maximum aggregation: 28122 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54631 Unique aggregates announced from the RIPE address blocks: 36810 RIPE Region origin ASes present in the Internet Routing Table: 5136 RIPE Prefixes per ASN: 10.64 RIPE Region origin ASes announcing only one prefix: 2184 RIPE Region transit ASes present in the Internet Routing Table: 717 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1970 Number of RIPE addresses announced to Internet: 303485696 Equivalent to 18 /8s, 22 /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: 42084 Total LACNIC prefixes after maximum aggregation: 13187 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41386 Unique aggregates announced from the LACNIC address blocks: 19659 LACNIC Region origin ASes present in the Internet Routing Table: 3571 LACNIC Prefixes per ASN: 11.59 LACNIC Region origin ASes announcing only one prefix: 1289 LACNIC Region transit ASes present in the Internet Routing Table: 715 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: 2759 Number of LACNIC addresses announced to Internet: 90319872 Equivalent to 5 /8s, 98 /16s and 44 /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: 8463 Total AfriNIC prefixes after maximum aggregation: 2194 AfriNIC Deaggregation factor: 3.86 Prefixes being announced from the AfriNIC address blocks: 10861 Unique aggregates announced from the AfriNIC address blocks: 3637 AfriNIC Region origin ASes present in the Internet Routing Table: 251 AfriNIC Prefixes per ASN: 43.27 AfriNIC Region origin ASes announcing only one prefix: 98 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 120 Number of AfriNIC addresses announced to Internet: 41018368 Equivalent to 2 /8s, 113 /16s and 228 /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 9580 8738 49 CHINAMOBILE-CN China Mobile Communicati 56047 1489 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1429 842 106 CMNET-JIANGSU-AP China Mobile communica 24547 769 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 10624 153 GIGAINFRA SoftBank Corp., JP 2907 602 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 450 488 104 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 9428 11193 3371 AMAZON-02, US 22773 3508 3042 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2969 3839 1426 DNIC-ASBLK-00306-00371, US 7018 2503 23622 1573 ATT-INTERNET4, US 5650 1922 2758 1379 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1847 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1748 3097 461 CELLCO-PART, US 209 1706 4899 326 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1510 131 1205 AKAMAI-ASN1, NL 3215 900 4811 304 France Telecom - Orange, FR 8452 836 1841 14 TE-AS TE-AS, EG 25019 833 1035 152 SAUDINETSTC-AS, SA 61317 793 55 705 ASDETUK www.heficed.com, US 34984 741 84 468 TELLCOM-AS, TR 8376 732 60 22 Jordan Data Communications, JO 8386 711 109 239 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 5551 1625 980 UNINET, MX 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2003 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 1051 2502 52 TIM SA, BR 18881 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 932 152 396 Techtel LMDS Comunicaciones Interactiva 28006 617 75 280 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 2957 46 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 1121 388 22 LINKdotNET-AS, EG 24835 1002 457 25 RAYA-AS, EG 36935 675 520 41 Vodafone-, EG 36992 662 952 340 ETISALAT-MISR, EG 29571 558 51 127 ORANGE-COTE-IVOIRE, CI 36914 526 82 3 KENET-AS, KE 36903 415 192 302 MT-MPLS, MA 2018 381 319 71 TENET-1, ZA 37693 316 594 42 TUNISIANA, TN 15706 208 32 10 Sudatel, SD 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 9580 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9428 11193 3371 AMAZON-02, US 8151 5551 1625 980 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 22773 3508 3042 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2969 3839 1426 DNIC-ASBLK-00306-00371, US 7018 2503 23622 1573 ATT-INTERNET4, US 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2003 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 9428 6057 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5551 4571 UNINET, MX 22773 3508 3213 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2003 1939 Instituto Costarricense de Electricidad y Telec 11776 1847 1626 ATLANTICBB-JOHNSTOWN, US 367 2969 1543 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1489 1455 CMNET-HUNAN-AP China Mobile communications corp 209 1706 1380 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 /17:3492 /18:4046 /19:7855 /20:12264 /21:15142 /22:28403 /23:28773 /24:146773 /25:79 /26:52 /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 3340 4658 ALJAWWALSTC-AS, SA 8151 2962 5551 UNINET, MX 22773 2554 3508 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1948 9428 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1701 2003 Instituto Costarricense de Electricidad y Telec 5650 1316 1922 FRONTIER-FRTR, US 10620 1276 2096 Telmex Colombia S.A., CO 7018 1091 2503 ATT-INTERNET4, US 209 962 1706 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) ---------------------------------------------- 1:16 2:597 3:249 4:5 5:1404 6:151 7:5 8:727 11:171 12:1093 13:314 14:104 15:285 16:167 17:6 18:660 20:238 21:4 22:188 23:2359 24:831 25:2 27:27 29:19 31:424 32:37 34:2 35:58 36:1104 37:660 38:1358 39:507 40:62 41:940 42:20 43:213 44:40 45:3350 46:844 47:152 49:22 50:341 51:478 52:1384 54:330 55:888 56:5 57:24 58:7 59:29 60:18 61:60 62:551 63:887 64:2085 65:1146 66:2239 67:1002 68:590 69:1229 70:504 71:231 72:684 74:1069 75:430 76:243 77:349 78:611 79:252 80:386 81:333 82:285 83:157 84:344 85:478 86:200 87:283 88:217 89:586 90:102 91:948 92:497 93:933 94:705 95:1223 96:272 97:69 98:546 99:163 100:45 101:25 102:279 103:1187 104:1402 105:63 106:42 107:1393 108:521 109:333 110:32 111:1742 112:470 113:57 114:34 115:17 116:46 117:948 118:65 119:151 120:1070 121:36 122:89 123:82 124:57 125:17 128:441 129:377 130:607 131:1041 132:552 133:267 134:446 135:130 136:420 137:548 138:917 139:546 140:576 141:264 142:802 143:641 144:382 145:90 146:605 147:428 148:698 149:693 150:293 151:607 152:533 153:146 154:677 155:773 156:599 157:319 158:430 159:662 160:726 161:639 162:979 163:401 164:692 165:808 166:568 167:610 168:1370 169:183 170:1509 171:95 172:1295 173:883 174:280 175:42 176:818 177:816 178:387 179:681 180:59 181:1688 182:16 183:865 184:503 185:3464 186:1875 187:798 188:784 189:1272 190:4312 191:330 192:4868 193:1960 194:1454 195:1121 196:949 197:755 198:2579 199:3523 200:3277 201:3213 202:1100 203:641 204:2236 205:1848 206:1651 207:1481 208:1422 209:1936 210:337 211:469 212:1040 213:885 214:1074 215:38 216:2588 217:558 218:521 219:24 220:29 221:292 222:18 223:617 End of report