IPv4 R&E Routing Table Report 20:15 GMT Fri 08 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: 183064 Prefixes after maximum aggregation (per Origin AS): 79955 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100618 Number of IPv4 prefixes with a valid ROA: 68906 Number of IPv4 prefixes with an invalid ROA: 80 Number of IPv4 prefixes with no ROA: 114078 Total ASes present in the Internet Routing Table: 15443 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 13342 Origin ASes announcing only one prefix: 6101 Transit ASes present in the Internet Routing Table: 2101 Transit-only ASes present in the Internet Routing Table: 583 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: 212 Number of instances of unregistered ASNs: 212 Number of 32-bit ASNs allocated by the RIRs: 43793 Number of 32-bit ASNs visible in the Routing Table: 5559 Prefixes from 32-bit ASNs in the Routing Table: 18419 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: 81 Number of addresses announced to Internet: 1034347705 Equivalent to 61 /8s, 166 /16s and 228 /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: 53644 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28849 Total APNIC prefixes after maximum aggregation: 6551 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28561 Unique aggregates announced from the APNIC address blocks: 7589 APNIC Region origin ASes present in the Internet Routing Table: 1096 APNIC Prefixes per ASN: 26.06 APNIC Region origin ASes announcing only one prefix: 447 APNIC Region transit ASes present in the Internet Routing Table: 181 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: 473 Number of APNIC addresses announced to Internet: 171203976 Equivalent to 10 /8s, 52 /16s and 93 /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: 82062 Total ARIN prefixes after maximum aggregation: 44586 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 80995 Unique aggregates announced from the ARIN address blocks: 50367 ARIN Region origin ASes present in the Internet Routing Table: 7179 ARIN Prefixes per ASN: 11.28 ARIN Region origin ASes announcing only one prefix: 3072 ARIN Region transit ASes present in the Internet Routing Table: 640 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: 1466 Number of ARIN addresses announced to Internet: 605174625 Equivalent to 36 /8s, 18 /16s and 59 /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: 35055 Total RIPE prefixes after maximum aggregation: 16575 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35483 Unique aggregates announced from the RIPE address blocks: 23622 RIPE Region origin ASes present in the Internet Routing Table: 3271 RIPE Prefixes per ASN: 10.85 RIPE Region origin ASes announcing only one prefix: 1393 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: 1205 Number of RIPE addresses announced to Internet: 155208656 Equivalent to 9 /8s, 64 /16s and 75 /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: 32100 Total LACNIC prefixes after maximum aggregation: 10189 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31860 Unique aggregates announced from the LACNIC address blocks: 15728 LACNIC Region origin ASes present in the Internet Routing Table: 3015 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 1096 LACNIC Region transit ASes present in the Internet Routing Table: 603 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: 2308 Number of LACNIC addresses announced to Internet: 73856768 Equivalent to 4 /8s, 102 /16s and 247 /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: 4786 Total AfriNIC prefixes after maximum aggregation: 1879 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 6084 Unique aggregates announced from the AfriNIC address blocks: 3233 AfriNIC Region origin ASes present in the Internet Routing Table: 211 AfriNIC Prefixes per ASN: 28.83 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 62 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: 107 Number of AfriNIC addresses announced to Internet: 28856320 Equivalent to 1 /8s, 184 /16s and 80 /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 9641 11322 3348 AMAZON-02, US 749 3199 54920 2451 DNIC-AS-00749, US 367 2920 3650 1409 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1450 394 645 DNIC-ASBLK-05800-06055, US 4155 1404 91 1075 USDA-1, US 7979 997 66 198 SERVERS-COM, US 855 958 255 82 CANET-ASN-4, CA 16625 878 408 810 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 1286 109 1053 AKAMAI-ASN1, NL 3215 897 4823 295 France Telecom - Orange, FR 25019 818 1032 146 SAUDINETSTC-AS, SA 8376 719 60 22 Jordan Data Communications, JO 8452 590 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 35819 421 424 79 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 5339 1521 926 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1041 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 481 66 207 Mega Cable, S.A. de C.V., MX 28343 309 58 95 UNIFIQUE TELECOMUNICACOES SA, 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 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 207 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 9641 11322 3348 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5339 1521 926 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3199 54920 2451 DNIC-AS-00749, US 367 2920 3650 1409 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 5972 1450 394 645 DNIC-ASBLK-05800-06055, 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 9625 9574 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5339 4413 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2920 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 /16:5369 /17:2511 /18:2593 /19:5320 /20:8609 /21:10727 /22:19567 /23:20097 /24:106769 /25:80 /26:51 /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 2942 5339 UNINET, MX 16509 2037 9641 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 687 1089 Telefonica del Peru S.A.A., PE 19901 685 824 BRSPD-PUBLIC, US 8376 560 719 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 2:470 3:276 5:1059 6:148 7:5 8:622 11:171 12:260 13:323 14:99 15:281 16:174 17:6 18:688 20:32 21:4 22:188 23:1813 24:393 25:2 27:17 29:19 31:164 32:1 34:3 35:53 36:1113 37:554 38:857 39:523 40:8 41:544 42:22 43:183 44:33 45:2238 46:567 47:100 49:10 50:250 51:469 52:1351 54:269 55:881 57:16 58:6 59:34 60:19 61:63 62:337 63:460 64:1438 65:800 66:1213 67:685 68:170 69:707 70:150 71:192 72:373 74:720 75:389 76:207 77:268 78:532 79:162 80:191 81:190 82:168 83:98 84:182 85:314 86:146 87:146 88:100 89:469 90:98 91:512 92:398 93:778 94:481 95:1088 96:165 97:30 98:124 99:145 100:21 101:28 102:174 103:1071 104:680 105:146 106:2 107:220 108:296 109:227 110:30 111:1747 112:447 113:40 114:33 115:11 116:33 117:945 118:53 119:95 120:1089 121:31 122:81 123:22 124:57 125:12 128:381 129:280 130:509 131:772 132:503 133:264 134:319 135:69 136:350 137:448 138:723 139:403 140:566 141:328 142:689 143:579 144:318 145:62 146:458 147:320 148:609 149:508 150:340 151:536 152:368 153:118 154:430 155:673 156:365 157:221 158:316 159:528 160:624 161:417 162:700 163:289 164:618 165:370 166:100 167:380 168:960 169:154 170:1210 171:62 172:877 173:617 174:107 175:46 176:416 177:699 178:337 179:494 180:43 181:1001 182:12 183:853 184:195 185:2186 186:1036 187:755 188:484 189:1084 190:2949 191:188 192:3668 193:1199 194:779 195:554 196:439 197:463 198:1902 199:3199 200:2719 201:2565 202:922 203:603 204:1741 205:1638 206:1125 207:1047 208:1037 209:1398 210:290 211:422 212:699 213:563 214:1061 215:37 216:1674 217:300 218:515 219:19 220:31 221:294 222:18 223:626 End of report