IPv4 R&E Routing Table Report 20:15 GMT Tue 27 Feb, 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: 188241 Prefixes after maximum aggregation (per Origin AS): 82291 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 103755 Number of IPv4 prefixes with a valid ROA: 72533 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 115685 Total ASes present in the Internet Routing Table: 15756 Prefixes per ASN: 11.95 Origin-only ASes present in the Internet Routing Table: 13620 Origin ASes announcing only one prefix: 6249 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 580 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 ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 219 Number of instances of unregistered ASNs: 219 Number of 32-bit ASNs allocated by the RIRs: 43714 Number of 32-bit ASNs visible in the Routing Table: 5661 Prefixes from 32-bit ASNs in the Routing Table: 18557 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: 1073685049 Equivalent to 63 /8s, 255 /16s and 34 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 55395 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29407 Total APNIC prefixes after maximum aggregation: 6874 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29176 Unique aggregates announced from the APNIC address blocks: 8149 APNIC Region origin ASes present in the Internet Routing Table: 1115 APNIC Prefixes per ASN: 26.17 APNIC Region origin ASes announcing only one prefix: 450 APNIC Region transit ASes present in the Internet Routing Table: 187 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 485 Number of APNIC addresses announced to Internet: 171876744 Equivalent to 10 /8s, 62 /16s and 161 /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: 82539 Total ARIN prefixes after maximum aggregation: 45032 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81600 Unique aggregates announced from the ARIN address blocks: 50767 ARIN Region origin ASes present in the Internet Routing Table: 7216 ARIN Prefixes per ASN: 11.31 ARIN Region origin ASes announcing only one prefix: 3076 ARIN Region transit ASes present in the Internet Routing Table: 643 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: 1464 Number of ARIN addresses announced to Internet: 605967329 Equivalent to 36 /8s, 30 /16s and 83 /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: 38828 Total RIPE prefixes after maximum aggregation: 18107 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 39214 Unique aggregates announced from the RIPE address blocks: 25686 RIPE Region origin ASes present in the Internet Routing Table: 3503 RIPE Prefixes per ASN: 11.19 RIPE Region origin ASes announcing only one prefix: 1526 RIPE Region transit ASes present in the Internet Routing Table: 524 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1272 Number of RIPE addresses announced to Internet: 192443088 Equivalent to 11 /8s, 120 /16s and 114 /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: 31967 Total LACNIC prefixes after maximum aggregation: 10149 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31725 Unique aggregates announced from the LACNIC address blocks: 15756 LACNIC Region origin ASes present in the Internet Routing Table: 3030 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 1103 LACNIC Region transit ASes present in the Internet Routing Table: 610 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: 2334 Number of LACNIC addresses announced to Internet: 73913600 Equivalent to 4 /8s, 103 /16s and 213 /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: 5281 Total AfriNIC prefixes after maximum aggregation: 1948 AfriNIC Deaggregation factor: 2.71 Prefixes being announced from the AfriNIC address blocks: 6445 Unique aggregates announced from the AfriNIC address blocks: 3318 AfriNIC Region origin ASes present in the Internet Routing Table: 222 AfriNIC Prefixes per ASN: 29.03 AfriNIC Region origin ASes announcing only one prefix: 94 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: 106 Number of AfriNIC addresses announced to Internet: 29436928 Equivalent to 1 /8s, 193 /16s and 44 /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 9687 8771 57 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1449 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 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 435 488 105 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 9652 11244 3342 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2900 3630 1415 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1458 393 647 DNIC-ASBLK-05800-06055, US 4155 1266 82 1000 USDA-1, US 7979 993 66 197 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 932 435 857 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 4754 286 59 ALJAWWALSTC-AS, SA 20940 1372 114 1106 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 599 1841 11 TE-AS TE-AS, EG 15897 543 182 27 VODAFONETURKEY, TR 51167 437 79 185 CONTABO, DE 35819 434 434 46 MOBILY-AS Etihad Etisalat Company Mobil 34984 425 62 350 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 5335 1548 933 UNINET, MX 3816 1311 787 193 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 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 590 108 223 Techtel LMDS Comunicaciones Interactiva 26599 561 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 479 68 208 Mega Cable, S.A. de C.V., MX 28343 307 58 93 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 29571 727 48 296 ORANGE-COTE-IVOIRE, CI 24863 665 238 179 LINKdotNET-AS, EG 36992 486 777 258 ETISALAT-MISR, EG 2018 371 319 71 TENET-1, ZA 36914 308 82 3 KENET-AS, KE 36935 267 67 80 Vodafone-, EG 24835 205 165 113 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 158 28 3 RENU, UG 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 9808 9687 8771 57 CHINAMOBILE-CN China Mobile Communicati 16509 9652 11244 3342 AMAZON-02, US 8151 5335 1548 933 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2900 3630 1415 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1458 393 647 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 16509 9652 6310 AMAZON-02, US 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5335 4402 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2900 1485 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1708 1387 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1449 1339 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1118 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 41.77.208.0/22 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 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 /11:29 /12:76 /13:131 /14:364 /15:746 /16:5565 /17:2707 /18:2787 /19:5701 /20:8928 /21:11290 /22:20460 /23:20676 /24:108493 /25:83 /26:50 /27:66 /28:19 /29:21 /30:15 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 2929 5335 UNINET, MX 16509 2044 9652 AMAZON-02, US 209 964 1708 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 684 823 BRSPD-PUBLIC, US 8376 564 721 Jordan Data Communications, JO 15897 467 543 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:460 3:269 5:1109 6:148 7:5 8:618 11:171 12:260 13:331 14:101 15:280 16:174 17:6 18:685 20:30 21:4 22:188 23:1870 24:404 25:2 27:22 29:19 31:216 32:1 34:3 35:53 36:1111 37:551 38:886 39:523 40:8 41:583 42:23 43:175 44:33 45:2320 46:625 47:148 49:10 50:248 51:472 52:1352 54:274 55:879 57:17 58:5 59:39 60:19 61:63 62:383 63:458 64:1519 65:821 66:1264 67:678 68:180 69:715 70:150 71:193 72:372 74:721 75:392 76:206 77:271 78:532 79:169 80:182 81:209 82:174 83:93 84:184 85:334 86:157 87:147 88:103 89:334 90:97 91:572 92:394 93:797 94:509 95:1097 96:167 97:30 98:130 99:148 100:22 101:25 102:181 103:1021 104:681 105:130 106:2 107:229 108:292 109:212 110:28 111:1746 112:447 113:40 114:31 115:10 116:34 117:946 118:51 119:95 120:1094 121:36 122:124 123:25 124:57 125:35 128:433 129:281 130:509 131:773 132:508 133:265 134:336 135:69 136:364 137:439 138:717 139:426 140:573 141:206 142:698 143:576 144:322 145:88 146:510 147:322 148:588 149:521 150:280 151:541 152:375 153:121 154:457 155:671 156:314 157:228 158:317 159:527 160:757 161:420 162:695 163:294 164:589 165:376 166:104 167:380 168:942 169:155 170:1223 171:62 172:896 173:621 174:107 175:38 176:427 177:729 178:300 179:477 180:52 181:977 182:10 183:853 184:206 185:2307 186:1014 187:743 188:544 189:1068 190:2911 191:169 192:3699 193:1382 194:922 195:661 196:490 197:591 198:1908 199:3067 200:2730 201:2572 202:963 203:618 204:1744 205:1637 206:1126 207:1044 208:991 209:1393 210:341 211:422 212:757 213:677 214:1065 215:37 216:1695 217:366 218:515 219:29 220:30 221:293 222:23 223:627 End of report