IPv4 R&E Routing Table Report 20:15 GMT Wed 27 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: 183461 Prefixes after maximum aggregation (per Origin AS): 80082 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100443 Number of IPv4 prefixes with a valid ROA: 69951 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 113491 Total ASes present in the Internet Routing Table: 15567 Prefixes per ASN: 11.79 Origin-only ASes present in the Internet Routing Table: 13446 Origin ASes announcing only one prefix: 6116 Transit ASes present in the Internet Routing Table: 2121 Transit-only ASes present in the Internet Routing Table: 573 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 ( 28683) 24 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: 43921 Number of 32-bit ASNs visible in the Routing Table: 5650 Prefixes from 32-bit ASNs in the Routing Table: 18764 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: 1026828473 Equivalent to 61 /8s, 52 /16s and 40 /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: 53617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28744 Total APNIC prefixes after maximum aggregation: 6524 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28487 Unique aggregates announced from the APNIC address blocks: 7548 APNIC Region origin ASes present in the Internet Routing Table: 1096 APNIC Prefixes per ASN: 25.99 APNIC Region origin ASes announcing only one prefix: 431 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: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 470 Number of APNIC addresses announced to Internet: 157694088 Equivalent to 9 /8s, 102 /16s and 56 /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: 82659 Total ARIN prefixes after maximum aggregation: 44875 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81542 Unique aggregates announced from the ARIN address blocks: 50701 ARIN Region origin ASes present in the Internet Routing Table: 7189 ARIN Prefixes per ASN: 11.34 ARIN Region origin ASes announcing only one prefix: 3065 ARIN Region transit ASes present in the Internet Routing Table: 642 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: 1463 Number of ARIN addresses announced to Internet: 607009633 Equivalent to 36 /8s, 46 /16s and 59 /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: 34864 Total RIPE prefixes after maximum aggregation: 16512 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35358 Unique aggregates announced from the RIPE address blocks: 23312 RIPE Region origin ASes present in the Internet Routing Table: 3276 RIPE Prefixes per ASN: 10.79 RIPE Region origin ASes announcing only one prefix: 1400 RIPE Region transit ASes present in the Internet Routing Table: 517 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1213 Number of RIPE addresses announced to Internet: 157160144 Equivalent to 9 /8s, 94 /16s and 18 /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: 32349 Total LACNIC prefixes after maximum aggregation: 10229 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32056 Unique aggregates announced from the LACNIC address blocks: 15979 LACNIC Region origin ASes present in the Internet Routing Table: 3094 LACNIC Prefixes per ASN: 10.36 LACNIC Region origin ASes announcing only one prefix: 1115 LACNIC Region transit ASes present in the Internet Routing Table: 615 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: 2376 Number of LACNIC addresses announced to Internet: 73937408 Equivalent to 4 /8s, 104 /16s and 50 /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: 4622 Total AfriNIC prefixes after maximum aggregation: 1759 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 5922 Unique aggregates announced from the AfriNIC address blocks: 2813 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 24.37 AfriNIC Region origin ASes announcing only one prefix: 105 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.6 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: 30973696 Equivalent to 1 /8s, 216 /16s and 159 /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 9646 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1496 192 47 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 782 168 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 9764 11359 3408 AMAZON-02, US 749 3189 54916 2441 DNIC-AS-00749, US 367 2919 3600 1389 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1561 101 1152 USDA-1, US 5972 1425 397 639 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 952 255 82 CANET-ASN-4, CA 16625 842 392 775 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 1278 108 1047 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 58224 415 190 328 TCI, IR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5371 1554 858 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 944 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 571 2949 46 TELEFONICA BRASIL S.A, BR 10620 545 71 456 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 680 242 210 LINKdotNET-AS, EG 36992 404 638 266 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 266 67 80 Vodafone-, EG 36914 205 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 164 28 3 RENU, UG 37282 163 26 6 MAINONE, NG 37492 156 471 44 ORANGE-, TN 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 16509 9764 11359 3408 AMAZON-02, US 9808 9646 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5371 1554 858 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3189 54916 2441 DNIC-AS-00749, US 367 2919 3600 1389 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1561 101 1152 USDA-1, US 56047 1496 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 9646 9586 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5371 4513 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2919 1530 DNIC-ASBLK-00306-00371, US 56047 1496 1449 CMNET-HUNAN-AP China Mobile communications corp 209 1695 1380 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 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 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 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 41.77.208.0/22 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 /11:25 /12:74 /13:115 /14:337 /15:675 /16:5273 /17:2513 /18:2598 /19:5379 /20:8561 /21:10770 /22:19614 /23:20320 /24:106925 /25:75 /26:48 /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 2936 5371 UNINET, MX 16509 2070 9764 AMAZON-02, US 209 957 1695 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 695 836 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 566 721 Jordan Data Communications, JO 7979 451 1002 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 2:378 3:285 5:1078 6:148 7:5 8:618 11:171 12:258 13:317 14:118 15:281 16:174 17:6 18:705 20:33 21:4 22:188 23:1796 24:405 25:2 27:17 29:19 31:164 32:1 34:5 35:53 36:1148 37:515 38:833 39:523 40:8 41:570 42:18 43:185 44:28 45:2324 46:579 47:99 49:11 50:251 51:470 52:1348 54:269 55:894 57:16 58:4 59:31 60:19 61:62 62:325 63:463 64:1441 65:794 66:1233 67:676 68:165 69:792 70:147 71:189 72:372 74:727 75:392 76:208 77:278 78:483 79:161 80:196 81:185 82:160 83:95 84:179 85:328 86:146 87:141 88:122 89:466 90:98 91:514 92:397 93:777 94:541 95:1075 96:165 97:31 98:125 99:146 100:22 101:25 102:222 103:1063 104:684 105:30 106:3 107:222 108:298 109:233 110:24 111:1756 112:447 113:40 114:32 115:11 116:31 117:948 118:50 119:97 120:1090 121:31 122:80 123:20 124:57 125:11 128:359 129:315 130:469 131:799 132:498 133:264 134:322 135:66 136:374 137:472 138:740 139:395 140:587 141:316 142:696 143:583 144:318 145:60 146:463 147:319 148:610 149:508 150:291 151:495 152:363 153:117 154:521 155:660 156:366 157:243 158:315 159:524 160:325 161:414 162:692 163:282 164:624 165:368 166:99 167:382 168:995 169:155 170:1256 171:64 172:906 173:618 174:103 175:46 176:399 177:770 178:318 179:516 180:42 181:1005 182:20 183:856 184:198 185:2224 186:1000 187:789 188:482 189:1124 190:2909 191:196 192:3684 193:1213 194:781 195:554 196:422 197:425 198:1904 199:3364 200:2708 201:2551 202:941 203:590 204:1765 205:1641 206:1129 207:1057 208:966 209:1431 210:306 211:423 212:673 213:523 214:1044 215:43 216:1688 217:282 218:515 219:19 220:30 221:300 222:17 223:629 End of report