IPv4 R&E Routing Table Report 20:15 GMT Tue 12 Mar, 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: 183798 Prefixes after maximum aggregation (per Origin AS): 80135 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100862 Number of IPv4 prefixes with a valid ROA: 69265 Number of IPv4 prefixes with an invalid ROA: 82 Number of IPv4 prefixes with no ROA: 114451 Total ASes present in the Internet Routing Table: 15460 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 13358 Origin ASes announcing only one prefix: 6109 Transit ASes present in the Internet Routing Table: 2102 Transit-only ASes present in the Internet Routing Table: 574 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 205 Number of instances of unregistered ASNs: 205 Number of 32-bit ASNs allocated by the RIRs: 43825 Number of 32-bit ASNs visible in the Routing Table: 5565 Prefixes from 32-bit ASNs in the Routing Table: 18440 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: 82 Number of addresses announced to Internet: 1035437497 Equivalent to 61 /8s, 183 /16s and 133 /24s Percentage of available address space announced: 28.0 Percentage of allocated address space announced: 28.0 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: 53946 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28819 Total APNIC prefixes after maximum aggregation: 6517 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28517 Unique aggregates announced from the APNIC address blocks: 7525 APNIC Region origin ASes present in the Internet Routing Table: 1095 APNIC Prefixes per ASN: 26.04 APNIC Region origin ASes announcing only one prefix: 444 APNIC Region transit ASes present in the Internet Routing Table: 180 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 470 Number of APNIC addresses announced to Internet: 171187848 Equivalent to 10 /8s, 52 /16s and 30 /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: 82239 Total ARIN prefixes after maximum aggregation: 44718 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81189 Unique aggregates announced from the ARIN address blocks: 50464 ARIN Region origin ASes present in the Internet Routing Table: 7199 ARIN Prefixes per ASN: 11.28 ARIN Region origin ASes announcing only one prefix: 3070 ARIN Region transit ASes present in the Internet Routing Table: 644 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: 1469 Number of ARIN addresses announced to Internet: 605750625 Equivalent to 36 /8s, 27 /16s and 5 /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: 35252 Total RIPE prefixes after maximum aggregation: 16639 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35654 Unique aggregates announced from the RIPE address blocks: 23708 RIPE Region origin ASes present in the Internet Routing Table: 3265 RIPE Prefixes per ASN: 10.92 RIPE Region origin ASes announcing only one prefix: 1407 RIPE Region transit ASes present in the Internet Routing Table: 507 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1201 Number of RIPE addresses announced to Internet: 155559120 Equivalent to 9 /8s, 69 /16s and 164 /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: 32425 Total LACNIC prefixes after maximum aggregation: 10172 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 32188 Unique aggregates announced from the LACNIC address blocks: 15775 LACNIC Region origin ASes present in the Internet Routing Table: 3025 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 1094 LACNIC Region transit ASes present in the Internet Routing Table: 608 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2313 Number of LACNIC addresses announced to Internet: 74022656 Equivalent to 4 /8s, 105 /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: 4858 Total AfriNIC prefixes after maximum aggregation: 1919 AfriNIC Deaggregation factor: 2.53 Prefixes being announced from the AfriNIC address blocks: 6168 Unique aggregates announced from the AfriNIC address blocks: 3310 AfriNIC Region origin ASes present in the Internet Routing Table: 214 AfriNIC Prefixes per ASN: 28.82 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 112 Number of AfriNIC addresses announced to Internet: 28869632 Equivalent to 1 /8s, 184 /16s and 132 /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 9626 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 434 488 105 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 9684 11328 3350 AMAZON-02, US 749 3200 54920 2452 DNIC-AS-00749, US 367 2924 3649 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1706 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1447 93 1103 USDA-1, US 5972 1439 394 640 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 955 255 82 CANET-ASN-4, CA 16625 889 413 820 AKAMAI-AS, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1306 111 1062 AKAMAI-ASN1, NL 3215 897 4811 298 France Telecom - Orange, FR 25019 818 1032 146 SAUDINETSTC-AS, SA 8376 724 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 415 60 341 TELLCOM-AS, 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 5455 1572 870 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1040 324 5 Instituto Costarricense de Electricidad 18881 993 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 484 66 208 Mega Cable, S.A. de C.V., MX 14117 351 61 13 Telefonica del Sur S.A., CL 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 683 240 192 LINKdotNET-AS, EG 29571 531 38 260 ORANGE-COTE-IVOIRE, CI 36992 475 672 292 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 160 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 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 16509 9684 11328 3350 AMAZON-02, US 9808 9626 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5455 1572 870 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3200 54920 2452 DNIC-AS-00749, US 367 2924 3649 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1706 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 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 9626 9575 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5455 4585 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2924 1516 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1706 1386 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1113 COLOMBIA TELECOMUNICACIONES S.A. ESP, 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 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 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 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 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 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 /8:11 /9:4 /10:14 /11:27 /12:73 /13:111 /14:335 /15:672 /16:5372 /17:2514 /18:2590 /19:5359 /20:8645 /21:10804 /22:19677 /23:20175 /24:107157 /25:81 /26:51 /27:67 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2979 5455 UNINET, MX 16509 2035 9684 AMAZON-02, US 209 963 1706 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 881 1040 Instituto Costarricense de Electricidad y Telec 19901 687 826 BRSPD-PUBLIC, US 6147 685 1087 Telefonica del Peru S.A.A., PE 8376 564 724 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:471 3:278 5:1081 6:148 7:5 8:624 11:171 12:259 13:321 14:98 15:279 16:174 17:6 18:693 20:32 21:4 22:188 23:1832 24:396 25:2 27:17 29:19 31:167 32:1 34:3 35:53 36:1114 37:552 38:848 39:523 40:8 41:559 42:21 43:181 44:30 45:2255 46:570 47:100 49:10 50:251 51:465 52:1355 54:273 55:883 57:16 58:6 59:34 60:19 61:63 62:337 63:465 64:1441 65:800 66:1220 67:677 68:165 69:718 70:146 71:191 72:384 74:720 75:389 76:207 77:266 78:532 79:161 80:195 81:190 82:168 83:99 84:183 85:318 86:147 87:148 88:122 89:474 90:98 91:507 92:425 93:774 94:484 95:1088 96:165 97:31 98:124 99:142 100:21 101:26 102:178 103:1038 104:682 105:146 106:2 107:218 108:295 109:228 110:29 111:1750 112:447 113:44 114:32 115:11 116:33 117:945 118:50 119:88 120:1089 121:31 122:81 123:22 124:57 125:12 128:373 129:280 130:509 131:777 132:506 133:264 134:325 135:68 136:359 137:450 138:728 139:403 140:570 141:321 142:690 143:573 144:317 145:62 146:461 147:322 148:613 149:509 150:341 151:539 152:364 153:118 154:440 155:673 156:364 157:210 158:317 159:528 160:653 161:419 162:691 163:294 164:614 165:378 166:100 167:376 168:952 169:153 170:1220 171:63 172:885 173:618 174:107 175:46 176:403 177:688 178:338 179:504 180:43 181:1005 182:12 183:853 184:196 185:2183 186:1027 187:784 188:483 189:1115 190:2987 191:182 192:3663 193:1205 194:778 195:556 196:443 197:462 198:1930 199:3239 200:2730 201:2590 202:934 203:605 204:1761 205:1638 206:1131 207:1058 208:980 209:1411 210:289 211:422 212:695 213:566 214:1062 215:37 216:1702 217:301 218:515 219:19 220:30 221:294 222:18 223:625 End of report