IPv4 R&E Routing Table Report 20:15 GMT Thu 07 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: 182696 Prefixes after maximum aggregation (per Origin AS): 79976 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 100578 Number of IPv4 prefixes with a valid ROA: 68860 Number of IPv4 prefixes with an invalid ROA: 80 Number of IPv4 prefixes with no ROA: 113756 Total ASes present in the Internet Routing Table: 15413 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13304 Origin ASes announcing only one prefix: 6063 Transit ASes present in the Internet Routing Table: 2109 Transit-only ASes present in the Internet Routing Table: 586 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: 29 Max AS path prepend of ASN ( 37531) 21 Prefixes from unregistered ASNs in the Routing Table: 213 Number of instances of unregistered ASNs: 213 Number of 32-bit ASNs allocated by the RIRs: 43780 Number of 32-bit ASNs visible in the Routing Table: 5538 Prefixes from 32-bit ASNs in the Routing Table: 18271 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: 1034239417 Equivalent to 61 /8s, 165 /16s and 61 /24s Percentage of available address space announced: 27.9 Percentage of allocated address space announced: 27.9 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: 53590 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28769 Total APNIC prefixes after maximum aggregation: 6550 APNIC Deaggregation factor: 4.39 Prefixes being announced from the APNIC address blocks: 28533 Unique aggregates announced from the APNIC address blocks: 7569 APNIC Region origin ASes present in the Internet Routing Table: 1100 APNIC Prefixes per ASN: 25.94 APNIC Region origin ASes announcing only one prefix: 449 APNIC Region transit ASes present in the Internet Routing Table: 182 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 476 Number of APNIC addresses announced to Internet: 171191432 Equivalent to 10 /8s, 52 /16s and 44 /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: 81997 Total ARIN prefixes after maximum aggregation: 44697 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80797 Unique aggregates announced from the ARIN address blocks: 50273 ARIN Region origin ASes present in the Internet Routing Table: 7176 ARIN Prefixes per ASN: 11.26 ARIN Region origin ASes announcing only one prefix: 3064 ARIN Region transit ASes present in the Internet Routing Table: 641 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1464 Number of ARIN addresses announced to Internet: 605115745 Equivalent to 36 /8s, 17 /16s and 85 /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: 35130 Total RIPE prefixes after maximum aggregation: 16578 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35695 Unique aggregates announced from the RIPE address blocks: 23826 RIPE Region origin ASes present in the Internet Routing Table: 3263 RIPE Prefixes per ASN: 10.94 RIPE Region origin ASes announcing only one prefix: 1390 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: 155326416 Equivalent to 9 /8s, 66 /16s and 23 /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: 31804 Total LACNIC prefixes after maximum aggregation: 10099 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31566 Unique aggregates announced from the LACNIC address blocks: 15660 LACNIC Region origin ASes present in the Internet Routing Table: 2987 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 1067 LACNIC Region transit ASes present in the Internet Routing Table: 602 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: 2285 Number of LACNIC addresses announced to Internet: 73736192 Equivalent to 4 /8s, 101 /16s and 32 /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: 4783 Total AfriNIC prefixes after maximum aggregation: 1876 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 6023 Unique aggregates announced from the AfriNIC address blocks: 3170 AfriNIC Region origin ASes present in the Internet Routing Table: 212 AfriNIC Prefixes per ASN: 28.41 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 64 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: 28822016 Equivalent to 1 /8s, 183 /16s and 202 /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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 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 9645 11306 3357 AMAZON-02, US 749 3199 54920 2451 DNIC-AS-00749, US 367 2922 3648 1411 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1444 394 654 DNIC-ASBLK-05800-06055, US 4155 1383 89 1058 USDA-1, US 7979 997 66 198 SERVERS-COM, US 855 958 255 82 CANET-ASN-4, CA 16625 887 413 818 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 1300 110 1058 AKAMAI-ASN1, NL 3215 894 4811 298 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 590 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 417 61 342 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 5324 1517 924 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 986 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 482 66 208 Mega Cable, S.A. de C.V., MX 22368 247 27 75 TELEBUCARAMANGA S.A. E.S.P., CO 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 684 240 187 LINKdotNET-AS, EG 29571 478 35 245 ORANGE-COTE-IVOIRE, CI 36992 475 671 292 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 208 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 162 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 9645 11306 3357 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5324 1517 924 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3199 54920 2451 DNIC-AS-00749, US 367 2922 3648 1411 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 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 9625 9574 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5324 4400 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2922 1511 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1707 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 /15:671 /16:5370 /17:2510 /18:2590 /19:5324 /20:8581 /21:10728 /22:19475 /23:19995 /24:106622 /25:80 /26:50 /27:66 /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 2937 5324 UNINET, MX 16509 2045 9645 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 685 824 BRSPD-PUBLIC, US 8376 561 720 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 2:473 3:276 5:1064 6:148 7:5 8:624 11:171 12:260 13:321 14:99 15:281 16:174 17:6 18:687 20:32 21:4 22:188 23:1819 24:393 25:2 27:17 29:19 31:165 32:1 34:3 35:53 36:1113 37:549 38:850 39:523 40:8 41:544 42:22 43:184 44:33 45:2234 46:576 47:100 49:10 50:249 51:470 52:1351 54:270 55:858 57:16 58:6 59:34 60:19 61:63 62:351 63:461 64:1433 65:799 66:1215 67:670 68:165 69:708 70:150 71:191 72:357 74:720 75:387 76:207 77:270 78:532 79:167 80:190 81:188 82:173 83:93 84:183 85:313 86:146 87:146 88:100 89:475 90:98 91:520 92:398 93:777 94:490 95:1089 96:165 97:30 98:124 99:146 100:21 101:28 102:179 103:1067 104:681 105:146 106:2 107:221 108:296 109:223 110:29 111:1736 112:447 113:40 114:32 115:12 116:31 117:945 118:52 119:94 120:1089 121:25 122:81 123:22 124:57 125:13 128:381 129:280 130:510 131:769 132:504 133:264 134:320 135:69 136:357 137:444 138:717 139:402 140:564 141:328 142:690 143:584 144:318 145:62 146:473 147:318 148:577 149:508 150:340 151:539 152:371 153:119 154:430 155:673 156:309 157:221 158:312 159:525 160:626 161:413 162:699 163:290 164:617 165:364 166:101 167:379 168:951 169:154 170:1202 171:62 172:883 173:617 174:107 175:46 176:425 177:703 178:344 179:496 180:43 181:1004 182:11 183:853 184:199 185:2197 186:1050 187:759 188:490 189:1078 190:2946 191:186 192:3679 193:1217 194:784 195:560 196:438 197:457 198:1905 199:3180 200:2729 201:2561 202:922 203:603 204:1733 205:1609 206:1125 207:1042 208:982 209:1384 210:290 211:422 212:711 213:566 214:1060 215:37 216:1677 217:302 218:515 219:19 220:31 221:294 222:18 223:626 End of report