IPv4 R&E Routing Table Report 20:15 GMT Sun 17 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: 183665 Prefixes after maximum aggregation (per Origin AS): 80193 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100609 Number of IPv4 prefixes with a valid ROA: 69719 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 113923 Total ASes present in the Internet Routing Table: 15509 Prefixes per ASN: 11.84 Origin-only ASes present in the Internet Routing Table: 13388 Origin ASes announcing only one prefix: 6071 Transit ASes present in the Internet Routing Table: 2121 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 (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 223 Number of instances of unregistered ASNs: 223 Number of 32-bit ASNs allocated by the RIRs: 43852 Number of 32-bit ASNs visible in the Routing Table: 5611 Prefixes from 32-bit ASNs in the Routing Table: 18664 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: 96 Number of addresses announced to Internet: 1022723257 Equivalent to 60 /8s, 245 /16s and 132 /24s Percentage of available address space announced: 27.6 Percentage of allocated address space announced: 27.6 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: 53828 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28624 Total APNIC prefixes after maximum aggregation: 6469 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28363 Unique aggregates announced from the APNIC address blocks: 7500 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.00 APNIC Region origin ASes announcing only one prefix: 440 APNIC Region transit ASes present in the Internet Routing Table: 178 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: 467 Number of APNIC addresses announced to Internet: 157582216 Equivalent to 9 /8s, 100 /16s and 131 /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: 82381 Total ARIN prefixes after maximum aggregation: 44806 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81292 Unique aggregates announced from the ARIN address blocks: 50522 ARIN Region origin ASes present in the Internet Routing Table: 7180 ARIN Prefixes per ASN: 11.32 ARIN Region origin ASes announcing only one prefix: 3056 ARIN Region transit ASes present in the Internet Routing Table: 639 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: 1459 Number of ARIN addresses announced to Internet: 605413729 Equivalent to 36 /8s, 21 /16s and 225 /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: 35217 Total RIPE prefixes after maximum aggregation: 16630 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35636 Unique aggregates announced from the RIPE address blocks: 23604 RIPE Region origin ASes present in the Internet Routing Table: 3261 RIPE Prefixes per ASN: 10.93 RIPE Region origin ASes announcing only one prefix: 1404 RIPE Region transit ASes present in the Internet Routing Table: 509 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: 1200 Number of RIPE addresses announced to Internet: 155103952 Equivalent to 9 /8s, 62 /16s and 178 /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: 32544 Total LACNIC prefixes after maximum aggregation: 10244 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 32271 Unique aggregates announced from the LACNIC address blocks: 15899 LACNIC Region origin ASes present in the Internet Routing Table: 3096 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 1095 LACNIC Region transit ASes present in the Internet Routing Table: 632 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: 2382 Number of LACNIC addresses announced to Internet: 73977088 Equivalent to 4 /8s, 104 /16s and 205 /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: 4676 Total AfriNIC prefixes after maximum aggregation: 1864 AfriNIC Deaggregation factor: 2.51 Prefixes being announced from the AfriNIC address blocks: 6007 Unique aggregates announced from the AfriNIC address blocks: 2996 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 29.45 AfriNIC Region origin ASes announcing only one prefix: 76 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 103 Number of AfriNIC addresses announced to Internet: 30594560 Equivalent to 1 /8s, 210 /16s and 214 /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 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1470 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 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 433 488 105 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 9698 11328 3410 AMAZON-02, US 749 3193 54919 2445 DNIC-AS-00749, US 367 2911 3630 1398 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1514 98 1137 USDA-1, US 5972 1438 394 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 868 406 799 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 113 1061 AKAMAI-ASN1, NL 3215 897 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 29580 416 46 176 A1BG_RSG A1 EAD, BG 58224 415 190 328 TCI, IR 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 5393 1555 870 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 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 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 679 240 190 LINKdotNET-AS, EG 36992 538 691 304 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 24835 199 162 115 RAYA-AS, EG 36914 193 82 3 KENET-AS, KE 37054 178 14 108 Telecom-Malagasy, MG 327687 164 28 3 RENU, UG 37282 159 22 47 MAINONE, NG 37492 156 471 44 ORANGE-, 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 9698 11328 3410 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5393 1555 870 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3193 54919 2445 DNIC-AS-00749, US 367 2911 3630 1398 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1514 98 1137 USDA-1, US 56047 1474 188 34 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 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5393 4523 UNINET, MX 11776 1859 1640 ATLANTICBB-JOHNSTOWN, US 367 2911 1513 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1470 1360 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 41.57.124.0/23 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 /9:4 /10:14 /11:25 /12:71 /13:112 /14:334 /15:672 /16:5275 /17:2507 /18:2579 /19:5335 /20:8598 /21:10848 /22:19667 /23:20256 /24:107092 /25:81 /26:51 /27:74 /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 2956 5393 UNINET, MX 16509 2039 9698 AMAZON-02, US 209 962 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1859 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 691 830 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 561 721 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 2:475 3:281 5:1075 6:148 7:5 8:622 11:171 12:255 13:319 14:98 15:281 16:174 17:6 18:696 20:33 21:4 22:188 23:1824 24:407 25:2 27:17 29:19 31:157 32:1 34:5 35:53 36:1119 37:567 38:818 39:523 40:8 41:545 42:21 43:183 44:29 45:2285 46:553 47:99 49:11 50:251 51:468 52:1355 54:272 55:950 57:16 58:6 59:34 60:19 61:63 62:337 63:464 64:1436 65:798 66:1212 67:675 68:164 69:716 70:147 71:190 72:371 74:722 75:389 76:208 77:260 78:533 79:159 80:196 81:185 82:178 83:99 84:184 85:318 86:146 87:148 88:125 89:471 90:98 91:496 92:423 93:768 94:483 95:1085 96:166 97:32 98:125 99:144 100:22 101:25 102:279 103:1034 104:686 105:28 106:2 107:218 108:294 109:223 110:29 111:1752 112:448 113:40 114:32 115:11 116:31 117:946 118:52 119:95 120:1090 121:31 122:81 123:20 124:57 125:12 128:386 129:298 130:505 131:782 132:504 133:264 134:330 135:65 136:375 137:449 138:758 139:404 140:573 141:325 142:693 143:577 144:320 145:61 146:456 147:319 148:612 149:514 150:290 151:543 152:367 153:117 154:491 155:659 156:365 157:225 158:317 159:531 160:320 161:420 162:697 163:294 164:619 165:362 166:100 167:383 168:987 169:149 170:1235 171:62 172:896 173:616 174:105 175:46 176:410 177:743 178:328 179:492 180:43 181:1002 182:12 183:854 184:198 185:2142 186:1051 187:788 188:490 189:1127 190:2988 191:193 192:3678 193:1203 194:777 195:561 196:458 197:427 198:1937 199:3315 200:2738 201:2581 202:938 203:604 204:1779 205:1647 206:1123 207:1056 208:979 209:1404 210:290 211:422 212:700 213:547 214:1057 215:37 216:1682 217:307 218:515 219:19 220:30 221:300 222:18 223:628 End of report