IPv4 R&E Routing Table Report 20:15 GMT Sat 16 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: 256793 Prefixes after maximum aggregation (per Origin AS): 113784 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138475 Number of IPv4 prefixes with a valid ROA: 97218 Number of IPv4 prefixes with an invalid ROA: 224 Number of IPv4 prefixes with no ROA: 159351 Total ASes present in the Internet Routing Table: 20588 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 17950 Origin ASes announcing only one prefix: 8006 Transit ASes present in the Internet Routing Table: 2638 Transit-only ASes present in the Internet Routing Table: 640 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: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 382 Number of instances of unregistered ASNs: 382 Number of 32-bit ASNs allocated by the RIRs: 43229 Number of 32-bit ASNs visible in the Routing Table: 7379 Prefixes from 32-bit ASNs in the Routing Table: 26290 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: 133 Number of addresses announced to Internet: 1485796425 Equivalent to 88 /8s, 143 /16s and 116 /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: 87127 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30916 Total APNIC prefixes after maximum aggregation: 7316 APNIC Deaggregation factor: 4.23 Prefixes being announced from the APNIC address blocks: 30547 Unique aggregates announced from the APNIC address blocks: 8491 APNIC Region origin ASes present in the Internet Routing Table: 1207 APNIC Prefixes per ASN: 25.31 APNIC Region origin ASes announcing only one prefix: 491 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 531 Number of APNIC addresses announced to Internet: 212712072 Equivalent to 12 /8s, 173 /16s and 186 /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: 118997 Total ARIN prefixes after maximum aggregation: 62681 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118941 Unique aggregates announced from the ARIN address blocks: 69162 ARIN Region origin ASes present in the Internet Routing Table: 9613 ARIN Prefixes per ASN: 12.37 ARIN Region origin ASes announcing only one prefix: 3947 ARIN Region transit ASes present in the Internet Routing Table: 854 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: 2042 Number of ARIN addresses announced to Internet: 841312449 Equivalent to 50 /8s, 37 /16s and 104 /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: 55762 Total RIPE prefixes after maximum aggregation: 28040 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54699 Unique aggregates announced from the RIPE address blocks: 36720 RIPE Region origin ASes present in the Internet Routing Table: 5183 RIPE Prefixes per ASN: 10.55 RIPE Region origin ASes announcing only one prefix: 2208 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 1980 Number of RIPE addresses announced to Internet: 302672640 Equivalent to 18 /8s, 10 /16s and 107 /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: 42108 Total LACNIC prefixes after maximum aggregation: 13132 LACNIC Deaggregation factor: 3.21 Prefixes being announced from the LACNIC address blocks: 41418 Unique aggregates announced from the LACNIC address blocks: 20037 LACNIC Region origin ASes present in the Internet Routing Table: 3548 LACNIC Prefixes per ASN: 11.67 LACNIC Region origin ASes announcing only one prefix: 1268 LACNIC Region transit ASes present in the Internet Routing Table: 708 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: 2716 Number of LACNIC addresses announced to Internet: 88243968 Equivalent to 5 /8s, 66 /16s and 127 /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: 8628 Total AfriNIC prefixes after maximum aggregation: 2324 AfriNIC Deaggregation factor: 3.71 Prefixes being announced from the AfriNIC address blocks: 11055 Unique aggregates announced from the AfriNIC address blocks: 3939 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 45.87 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 63 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: 110 Number of AfriNIC addresses announced to Internet: 40714752 Equivalent to 2 /8s, 109 /16s and 66 /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 9585 8731 42 CHINAMOBILE-CN China Mobile Communicati 56047 1507 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1426 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 748 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 610 4158 52 CTTNET China TieTong Telecommunications 2907 603 2162 466 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 9360 11174 3411 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2936 3834 1400 DNIC-ASBLK-00306-00371, US 7018 2576 23627 1594 ATT-INTERNET4, US 5650 1973 2755 1396 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1743 3058 445 CELLCO-PART, US 209 1711 4899 328 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1569 139 1249 AKAMAI-ASN1, NL 8452 903 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 866 1035 152 SAUDINETSTC-AS, SA 61317 836 58 747 ASDETUK www.heficed.com, US 34984 802 93 511 TELLCOM-AS, TR 8376 733 59 22 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 15897 572 188 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 5900 1676 1009 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 22 Telefonica del Peru S.A.A., PE 26615 1038 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 919 151 400 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 1169 388 22 LINKdotNET-AS, EG 24835 1019 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 992 338 ETISALAT-MISR, EG 36914 523 82 3 KENET-AS, KE 15399 429 38 144 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 382 36 159 ORANGE-COTE-IVOIRE, CI 2018 377 319 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 9585 8731 42 CHINAMOBILE-CN China Mobile Communicati 16509 9360 11174 3411 AMAZON-02, US 8151 5900 1676 1009 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2936 3834 1400 DNIC-ASBLK-00306-00371, US 7018 2576 23627 1594 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 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 9360 5949 AMAZON-02, US 8151 5900 4891 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3473 3181 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 18566 1855 1543 MEGAPATH5-, US 367 2936 1536 DNIC-ASBLK-00306-00371, US 56047 1507 1473 CMNET-HUNAN-AP China Mobile communications corp 209 1711 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 /10:29 /11:45 /12:127 /13:188 /14:500 /15:1000 /16:7429 /17:3468 /18:4048 /19:7874 /20:12286 /21:15439 /22:28573 /23:28852 /24:146636 /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 3324 4570 ALJAWWALSTC-AS, SA 8151 3122 5900 UNINET, MX 22773 2533 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1914 9360 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1404 1973 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1126 2576 ATT-INTERNET4, US 209 965 1711 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 2:512 3:250 4:5 5:1316 6:149 7:5 8:732 11:171 12:1093 13:313 14:103 15:284 16:167 17:6 18:646 20:244 21:4 22:188 23:2441 24:782 25:2 27:25 29:19 31:427 32:37 34:2 35:56 36:1098 37:882 38:1339 39:503 40:61 41:1023 42:20 43:215 44:42 45:3353 46:882 47:154 49:22 50:340 51:477 52:1386 54:342 55:875 56:5 57:23 58:7 59:32 60:18 61:70 62:594 63:889 64:2082 65:1153 66:2238 67:961 68:581 69:1193 70:484 71:264 72:719 74:1056 75:438 76:242 77:354 78:607 79:254 80:371 81:352 82:292 83:162 84:360 85:422 86:216 87:300 88:225 89:602 90:99 91:949 92:510 93:936 94:680 95:1227 96:279 97:70 98:550 99:163 100:45 101:27 102:256 103:1256 104:1425 105:64 106:42 107:1405 108:525 109:335 110:34 111:1733 112:473 113:59 114:33 115:18 116:50 117:951 118:64 119:151 120:1080 121:42 122:95 123:81 124:57 125:16 128:451 129:377 130:610 131:1079 132:550 133:267 134:437 135:120 136:421 137:465 138:865 139:540 140:619 141:291 142:801 143:645 144:377 145:90 146:591 147:434 148:687 149:697 150:293 151:581 152:535 153:146 154:643 155:756 156:619 157:330 158:442 159:662 160:663 161:636 162:966 163:409 164:655 165:572 166:594 167:618 168:1355 169:185 170:1484 171:99 172:1303 173:864 174:278 175:42 176:839 177:850 178:393 179:698 180:58 181:1641 182:14 183:876 184:503 185:3435 186:1881 187:895 188:730 189:1331 190:4310 191:350 192:4951 193:1971 194:1451 195:1136 196:871 197:860 198:2605 199:3355 200:3192 201:3209 202:1118 203:631 204:2232 205:1814 206:1644 207:1410 208:1439 209:1944 210:346 211:475 212:1061 213:875 214:1073 215:43 216:2534 217:579 218:524 219:24 220:29 221:289 222:33 223:617 End of report