IPv4 R&E Routing Table Report 20:15 GMT Sat 20 Apr, 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: 186366 Prefixes after maximum aggregation (per Origin AS): 81531 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 101246 Number of IPv4 prefixes with a valid ROA: 71778 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 114569 Total ASes present in the Internet Routing Table: 15828 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 13683 Origin ASes announcing only one prefix: 6258 Transit ASes present in the Internet Routing Table: 2145 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: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 225 Number of instances of unregistered ASNs: 225 Number of 32-bit ASNs allocated by the RIRs: 44213 Number of 32-bit ASNs visible in the Routing Table: 5732 Prefixes from 32-bit ASNs in the Routing Table: 19172 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: 94 Number of addresses announced to Internet: 1115398817 Equivalent to 66 /8s, 123 /16s and 162 /24s Percentage of available address space announced: 30.1 Percentage of allocated address space announced: 30.1 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: 53574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30295 Total APNIC prefixes after maximum aggregation: 7096 APNIC Deaggregation factor: 4.27 Prefixes being announced from the APNIC address blocks: 29942 Unique aggregates announced from the APNIC address blocks: 8259 APNIC Region origin ASes present in the Internet Routing Table: 1143 APNIC Prefixes per ASN: 26.20 APNIC Region origin ASes announcing only one prefix: 458 APNIC Region transit ASes present in the Internet Routing Table: 200 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: 491 Number of APNIC addresses announced to Internet: 199150960 Equivalent to 11 /8s, 222 /16s and 205 /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: 84876 Total ARIN prefixes after maximum aggregation: 46261 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83426 Unique aggregates announced from the ARIN address blocks: 51155 ARIN Region origin ASes present in the Internet Routing Table: 7295 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3148 ARIN Region transit ASes present in the Internet Routing Table: 628 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: 1492 Number of ARIN addresses announced to Internet: 650579809 Equivalent to 38 /8s, 199 /16s and 15 /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, 393216-402332 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: 35185 Total RIPE prefixes after maximum aggregation: 16577 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 36026 Unique aggregates announced from the RIPE address blocks: 23726 RIPE Region origin ASes present in the Internet Routing Table: 3413 RIPE Prefixes per ASN: 10.56 RIPE Region origin ASes announcing only one prefix: 1478 RIPE Region transit ASes present in the Internet Routing Table: 532 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1262 Number of RIPE addresses announced to Internet: 161630416 Equivalent to 9 /8s, 162 /16s and 72 /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: 31306 Total LACNIC prefixes after maximum aggregation: 9901 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31007 Unique aggregates announced from the LACNIC address blocks: 15427 LACNIC Region origin ASes present in the Internet Routing Table: 3084 LACNIC Prefixes per ASN: 10.05 LACNIC Region origin ASes announcing only one prefix: 1080 LACNIC Region transit ASes present in the Internet Routing Table: 618 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: 2380 Number of LACNIC addresses announced to Internet: 72024576 Equivalent to 4 /8s, 75 /16s and 2 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4479 Total AfriNIC prefixes after maximum aggregation: 1511 AfriNIC Deaggregation factor: 2.96 Prefixes being announced from the AfriNIC address blocks: 5871 Unique aggregates announced from the AfriNIC address blocks: 2587 AfriNIC Region origin ASes present in the Internet Routing Table: 214 AfriNIC Prefixes per ASN: 27.43 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 107 Number of AfriNIC addresses announced to Internet: 31956480 Equivalent to 1 /8s, 231 /16s and 158 /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 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1487 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 789 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 730 10656 150 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 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 9838 11364 3471 AMAZON-02, US 749 3201 54912 2453 DNIC-AS-00749, US 367 2831 3550 1351 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1637 105 1179 USDA-1, US 5972 1400 393 639 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 897 4164 678 AMAZON-AES, 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 1314 111 1070 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 21 Jordan Data Communications, JO 8452 525 1841 10 TE-AS TE-AS, EG 51167 500 96 207 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 393 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT 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 5004 1300 865 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1103 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 589 103 223 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 484 68 209 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 632 238 189 LINKdotNET-AS, EG 24835 423 365 30 RAYA-AS, EG 2018 380 319 71 TENET-1, ZA 36992 364 577 252 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 197 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 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 16509 9838 11364 3471 AMAZON-02, US 9808 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5004 1300 865 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3201 54912 2453 DNIC-AS-00749, US 367 2831 3550 1351 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1637 105 1179 USDA-1, US 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 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 9691 9628 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5004 4139 UNINET, MX 11776 1856 1636 ATLANTICBB-JOHNSTOWN, US 367 2831 1480 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1389 CENTURYLINK-US-LEGACY-QWEST, US 56046 1487 1377 CMNET-JIANGSU-AP China Mobile communications co 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1313 1116 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 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 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 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.240.0/24 Origin: 36911 RESERVED, ZZ 41.204.240.0/24 Transit: 328766 RESERVED, ZZ 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 /9:6 /10:17 /11:31 /12:92 /13:126 /14:366 /15:709 /16:5955 /17:2485 /18:2643 /19:5163 /20:8548 /21:10709 /22:19757 /23:20418 /24:109072 /25:76 /26:50 /27:71 /28:19 /29:20 /30:17 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2844 5004 UNINET, MX 16509 2099 9838 AMAZON-02, US 209 961 1703 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1856 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 717 858 BRSPD-PUBLIC, US 6147 699 1103 Telefonica del Peru S.A.A., PE 8376 568 723 Jordan Data Communications, JO 7979 451 1001 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:387 3:325 5:1055 6:149 7:5 8:622 11:171 12:651 13:311 14:100 15:281 16:174 17:6 18:737 20:34 21:4 22:188 23:1781 24:398 25:2 27:39 29:19 31:175 32:1 34:11 35:58 36:1176 37:415 38:834 39:522 40:11 41:502 42:24 43:182 44:29 45:2371 46:610 47:98 49:11 50:262 51:471 52:1362 54:272 55:925 57:16 58:5 59:37 60:19 61:64 62:342 63:473 64:1505 65:804 66:1240 67:682 68:165 69:749 70:146 71:191 72:387 74:736 75:394 76:202 77:306 78:486 79:175 80:211 81:179 82:174 83:95 84:179 85:329 86:149 87:149 88:119 89:509 90:98 91:575 92:395 93:784 94:498 95:1084 96:167 97:31 98:130 99:151 100:22 101:22 102:214 103:1102 104:710 105:113 106:64 107:213 108:297 109:257 110:34 111:1792 112:449 113:43 114:34 115:15 116:32 117:955 118:119 119:99 120:1090 121:17 122:114 123:60 124:59 125:12 128:357 129:276 130:489 131:790 132:500 133:267 134:335 135:68 136:363 137:402 138:777 139:388 140:591 141:324 142:697 143:606 144:329 145:65 146:478 147:311 148:594 149:496 150:290 151:562 152:535 153:118 154:554 155:679 156:443 157:273 158:318 159:591 160:328 161:414 162:690 163:292 164:631 165:363 166:96 167:400 168:987 169:153 170:1297 171:67 172:887 173:621 174:105 175:41 176:398 177:743 178:309 179:505 180:46 181:974 182:79 183:854 184:198 185:2333 186:1047 187:779 188:478 189:1100 190:2888 191:197 192:3831 193:1266 194:823 195:574 196:380 197:385 198:1928 199:3450 200:2650 201:2453 202:1068 203:613 204:1743 205:1662 206:1140 207:1067 208:979 209:1456 210:343 211:431 212:704 213:557 214:1014 215:42 216:1689 217:283 218:525 219:22 220:29 221:302 222:22 223:635 End of report