IPv4 R&E Routing Table Report 20:15 GMT Fri 17 May, 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: 190994 Prefixes after maximum aggregation (per Origin AS): 84613 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 105634 Number of IPv4 prefixes with a valid ROA: 74989 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 115986 Total ASes present in the Internet Routing Table: 16022 Prefixes per ASN: 11.92 Origin-only ASes present in the Internet Routing Table: 13842 Origin ASes announcing only one prefix: 6341 Transit ASes present in the Internet Routing Table: 2180 Transit-only ASes present in the Internet Routing Table: 592 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 44485 Number of 32-bit ASNs visible in the Routing Table: 5713 Prefixes from 32-bit ASNs in the Routing Table: 19560 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: 101 Number of addresses announced to Internet: 1116089761 Equivalent to 66 /8s, 134 /16s and 45 /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: 56444 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30111 Total APNIC prefixes after maximum aggregation: 7033 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29610 Unique aggregates announced from the APNIC address blocks: 8009 APNIC Region origin ASes present in the Internet Routing Table: 1160 APNIC Prefixes per ASN: 25.53 APNIC Region origin ASes announcing only one prefix: 473 APNIC Region transit ASes present in the Internet Routing Table: 204 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 514 Number of APNIC addresses announced to Internet: 200138352 Equivalent to 11 /8s, 237 /16s and 222 /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: 89052 Total ARIN prefixes after maximum aggregation: 48627 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87693 Unique aggregates announced from the ARIN address blocks: 54637 ARIN Region origin ASes present in the Internet Routing Table: 7508 ARIN Prefixes per ASN: 11.68 ARIN Region origin ASes announcing only one prefix: 3248 ARIN Region transit ASes present in the Internet Routing Table: 680 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: 1557 Number of ARIN addresses announced to Internet: 655882081 Equivalent to 39 /8s, 23 /16s and 247 /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: 36743 Total RIPE prefixes after maximum aggregation: 17392 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 37424 Unique aggregates announced from the RIPE address blocks: 25107 RIPE Region origin ASes present in the Internet Routing Table: 3504 RIPE Prefixes per ASN: 10.68 RIPE Region origin ASes announcing only one prefix: 1487 RIPE Region transit ASes present in the Internet Routing Table: 533 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1295 Number of RIPE addresses announced to Internet: 159714768 Equivalent to 9 /8s, 133 /16s and 13 /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: 30095 Total LACNIC prefixes after maximum aggregation: 9434 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 29782 Unique aggregates announced from the LACNIC address blocks: 14603 LACNIC Region origin ASes present in the Internet Routing Table: 2928 LACNIC Prefixes per ASN: 10.17 LACNIC Region origin ASes announcing only one prefix: 1037 LACNIC Region transit ASes present in the Internet Routing Table: 581 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: 2219 Number of LACNIC addresses announced to Internet: 72559360 Equivalent to 4 /8s, 83 /16s and 43 /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: 4762 Total AfriNIC prefixes after maximum aggregation: 1947 AfriNIC Deaggregation factor: 2.45 Prefixes being announced from the AfriNIC address blocks: 6384 Unique aggregates announced from the AfriNIC address blocks: 3184 AfriNIC Region origin ASes present in the Internet Routing Table: 236 AfriNIC Prefixes per ASN: 27.05 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 128 Number of AfriNIC addresses announced to Internet: 27704832 Equivalent to 1 /8s, 166 /16s and 190 /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 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1483 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 723 10640 154 GIGAINFRA SoftBank Corp., JP 2907 600 2146 464 SINET-AS Research Organization of Infor 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 453 490 109 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 9918 11376 3552 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2788 3441 1313 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1817 117 1250 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1347 387 612 DNIC-ASBLK-05800-06055, US 7979 985 64 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 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 1292 107 1044 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 815 1033 148 SAUDINETSTC-AS, SA 8376 719 60 21 Jordan Data Communications, JO 8452 626 1841 11 TE-AS TE-AS, EG 51167 509 98 214 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 386 34 5 ASN-ISKON, HR 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 5334 1496 746 UNINET, MX 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 753 1126 30 TELEFONICA BRASIL S.A, BR 26599 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 489 66 212 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 22724 230 15 98 PUNTONET S.A., EC 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 630 210 256 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 324 46 114 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 256 82 3 KENET-AS, KE 36992 189 241 160 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 136 36 51 EthioNet-AS, ET 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 9918 11376 3552 AMAZON-02, US 9808 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5334 1496 746 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2788 3441 1313 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1817 117 1250 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, 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 9650 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5334 4588 UNINET, MX 11776 1860 1640 ATLANTICBB-JOHNSTOWN, US 367 2788 1475 DNIC-ASBLK-00306-00371, US 56047 1506 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1699 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1483 1374 CMNET-JIANGSU-AP China Mobile communications co 3816 1320 1125 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /11:30 /12:92 /13:124 /14:356 /15:691 /16:5953 /17:2477 /18:2562 /19:5415 /20:8686 /21:10803 /22:19782 /23:20701 /24:113038 /25:75 /26:48 /27:70 /28:19 /29:20 /30:14 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2883 5334 UNINET, MX 16509 2119 9918 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1860 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 740 881 BRSPD-PUBLIC, US 6147 681 1085 Telefonica del Peru S.A.A., PE 8376 564 719 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:370 3:344 5:1116 6:150 7:5 8:629 11:171 12:659 13:305 14:100 15:282 16:175 17:6 18:738 20:33 21:4 22:188 23:1882 24:736 25:2 27:27 29:19 31:205 32:1 34:10 35:57 36:1175 37:451 38:897 39:524 40:11 41:748 42:13 43:180 44:35 45:2417 46:628 47:98 49:9 50:284 51:469 52:1362 54:275 55:999 57:16 58:7 59:36 60:19 61:63 62:336 63:506 64:1538 65:823 66:1281 67:837 68:177 69:814 70:144 71:196 72:487 74:735 75:395 76:210 77:321 78:578 79:193 80:218 81:186 82:180 83:114 84:198 85:344 86:162 87:154 88:150 89:536 90:96 91:606 92:416 93:806 94:511 95:1110 96:365 97:34 98:136 99:151 100:23 101:21 102:250 103:1122 104:779 105:142 106:3 107:200 108:312 109:265 110:38 111:1789 112:444 113:46 114:32 115:16 116:34 117:962 118:70 119:105 120:1076 121:19 122:86 123:20 124:58 125:12 128:362 129:281 130:507 131:811 132:491 133:195 134:345 135:89 136:369 137:420 138:762 139:404 140:596 141:324 142:702 143:590 144:332 145:64 146:492 147:392 148:623 149:501 150:291 151:580 152:582 153:119 154:581 155:688 156:450 157:287 158:331 159:693 160:731 161:481 162:697 163:286 164:650 165:399 166:99 167:406 168:898 169:153 170:1250 171:65 172:920 173:820 174:191 175:41 176:410 177:793 178:339 179:516 180:55 181:1009 182:26 183:826 184:312 185:2486 186:794 187:770 188:639 189:1095 190:2735 191:254 192:3906 193:1294 194:863 195:572 196:455 197:402 198:2003 199:3682 200:2441 201:2381 202:1063 203:627 204:1799 205:1694 206:1204 207:1164 208:947 209:1434 210:341 211:431 212:701 213:579 214:1026 215:42 216:1797 217:342 218:524 219:24 220:29 221:304 222:22 223:636 End of report