IPv4 R&E Routing Table Report 20:15 GMT Thu 21 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: 183110 Prefixes after maximum aggregation (per Origin AS): 79898 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100062 Number of IPv4 prefixes with a valid ROA: 69781 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 113310 Total ASes present in the Internet Routing Table: 15543 Prefixes per ASN: 11.78 Origin-only ASes present in the Internet Routing Table: 13433 Origin ASes announcing only one prefix: 6129 Transit ASes present in the Internet Routing Table: 2110 Transit-only ASes present in the Internet Routing Table: 572 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: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 43881 Number of 32-bit ASNs visible in the Routing Table: 5624 Prefixes from 32-bit ASNs in the Routing Table: 18520 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: 98 Number of addresses announced to Internet: 1026925241 Equivalent to 61 /8s, 53 /16s and 162 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 53328 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28700 Total APNIC prefixes after maximum aggregation: 6510 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28443 Unique aggregates announced from the APNIC address blocks: 7541 APNIC Region origin ASes present in the Internet Routing Table: 1102 APNIC Prefixes per ASN: 25.81 APNIC Region origin ASes announcing only one prefix: 437 APNIC Region transit ASes present in the Internet Routing Table: 180 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: 476 Number of APNIC addresses announced to Internet: 157724296 Equivalent to 9 /8s, 102 /16s and 174 /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: 82473 Total ARIN prefixes after maximum aggregation: 44857 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81349 Unique aggregates announced from the ARIN address blocks: 50568 ARIN Region origin ASes present in the Internet Routing Table: 7200 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3072 ARIN Region transit ASes present in the Internet Routing Table: 645 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: 1469 Number of ARIN addresses announced to Internet: 605466721 Equivalent to 36 /8s, 22 /16s and 176 /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: 34871 Total RIPE prefixes after maximum aggregation: 16446 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35357 Unique aggregates announced from the RIPE address blocks: 23158 RIPE Region origin ASes present in the Internet Routing Table: 3267 RIPE Prefixes per ASN: 10.82 RIPE Region origin ASes announcing only one prefix: 1402 RIPE Region transit ASes present in the Internet Routing Table: 510 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: 1207 Number of RIPE addresses announced to Internet: 157727952 Equivalent to 9 /8s, 102 /16s and 188 /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: 32131 Total LACNIC prefixes after maximum aggregation: 10113 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31870 Unique aggregates announced from the LACNIC address blocks: 15832 LACNIC Region origin ASes present in the Internet Routing Table: 3059 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 1119 LACNIC Region transit ASes present in the Internet Routing Table: 614 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2343 Number of LACNIC addresses announced to Internet: 73950720 Equivalent to 4 /8s, 104 /16s and 102 /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: 4715 Total AfriNIC prefixes after maximum aggregation: 1792 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 5993 Unique aggregates announced from the AfriNIC address blocks: 2871 AfriNIC Region origin ASes present in the Internet Routing Table: 247 AfriNIC Prefixes per ASN: 24.26 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 65 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: 129 Number of AfriNIC addresses announced to Internet: 32000512 Equivalent to 1 /8s, 232 /16s and 74 /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 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 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 435 488 107 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 9711 11346 3436 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2924 3633 1394 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1547 100 1152 USDA-1, US 5972 1421 396 641 DNIC-ASBLK-05800-06055, US 7979 998 66 196 SERVERS-COM, US 855 949 255 81 CANET-ASN-4, CA 16625 898 419 828 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 1322 111 1077 AKAMAI-ASN1, NL 3215 898 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 58224 558 244 384 TCI, IR 8452 542 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 383 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 5388 1555 867 UNINET, MX 3816 1312 788 199 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 994 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 655 239 194 LINKdotNET-AS, EG 36992 439 644 278 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 206 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 163 26 6 MAINONE, NG 327687 162 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37054 154 12 90 Telecom-Malagasy, MG 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 9711 11346 3436 AMAZON-02, US 9808 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5388 1555 867 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2924 3633 1394 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1547 100 1152 USDA-1, US 56047 1479 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 9667 9607 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5388 4521 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2924 1530 DNIC-ASBLK-00306-00371, US 56047 1479 1445 CMNET-HUNAN-AP China Mobile communications corp 209 1697 1381 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 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 /11:25 /12:74 /13:116 /14:336 /15:673 /16:5282 /17:2514 /18:2608 /19:5331 /20:8598 /21:10843 /22:19750 /23:20263 /24:106430 /25:68 /26:40 /27:71 /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 2951 5388 UNINET, MX 16509 2034 9711 AMAZON-02, US 209 958 1697 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 690 829 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 562 722 Jordan Data Communications, JO 7979 447 998 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 2:399 3:282 5:1061 6:148 7:5 8:623 11:171 12:256 13:315 14:100 15:281 16:174 17:6 18:701 20:33 21:4 22:188 23:1809 24:403 25:2 27:17 29:19 31:144 32:1 34:5 35:54 36:1139 37:499 38:839 39:523 40:8 41:557 42:21 43:186 44:28 45:2275 46:561 47:100 49:11 50:252 51:469 52:1346 54:271 55:919 57:16 58:4 59:34 60:19 61:62 62:332 63:464 64:1428 65:790 66:1228 67:675 68:164 69:713 70:147 71:188 72:363 74:727 75:387 76:208 77:264 78:492 79:161 80:198 81:185 82:174 83:128 84:185 85:321 86:146 87:140 88:124 89:449 90:98 91:503 92:396 93:778 94:490 95:1072 96:165 97:31 98:125 99:145 100:22 101:25 102:303 103:1056 104:690 105:29 106:3 107:219 108:295 109:221 110:24 111:1753 112:447 113:40 114:32 115:11 116:31 117:946 118:52 119:96 120:1093 121:31 122:80 123:20 124:57 125:11 128:358 129:321 130:479 131:782 132:498 133:264 134:331 135:65 136:374 137:449 138:721 139:396 140:576 141:322 142:695 143:575 144:322 145:59 146:458 147:322 148:611 149:519 150:290 151:494 152:363 153:117 154:526 155:660 156:364 157:227 158:317 159:527 160:313 161:416 162:699 163:289 164:620 165:366 166:102 167:383 168:959 169:153 170:1235 171:62 172:895 173:616 174:105 175:46 176:389 177:746 178:328 179:512 180:44 181:994 182:20 183:855 184:199 185:2075 186:984 187:789 188:492 189:1124 190:2908 191:188 192:3676 193:1170 194:774 195:551 196:467 197:433 198:1907 199:3349 200:2667 201:2579 202:943 203:590 204:1770 205:1675 206:1148 207:1049 208:970 209:1421 210:304 211:422 212:677 213:516 214:1042 215:43 216:1685 217:285 218:515 219:19 220:30 221:300 222:17 223:629 End of report