IPv4 R&E Routing Table Report 20:15 GMT Sat 24 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: 183260 Prefixes after maximum aggregation (per Origin AS): 79930 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100362 Number of IPv4 prefixes with a valid ROA: 69038 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 114199 Total ASes present in the Internet Routing Table: 15362 Prefixes per ASN: 11.93 Origin-only ASes present in the Internet Routing Table: 13296 Origin ASes announcing only one prefix: 6060 Transit ASes present in the Internet Routing Table: 2066 Transit-only ASes present in the Internet Routing Table: 553 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: 222 Number of instances of unregistered ASNs: 222 Number of 32-bit ASNs allocated by the RIRs: 43704 Number of 32-bit ASNs visible in the Routing Table: 5504 Prefixes from 32-bit ASNs in the Routing Table: 18531 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: 1035063353 Equivalent to 61 /8s, 177 /16s and 208 /24s Percentage of available address space announced: 28.0 Percentage of allocated address space announced: 28.0 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: 53784 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28555 Total APNIC prefixes after maximum aggregation: 6425 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28352 Unique aggregates announced from the APNIC address blocks: 7426 APNIC Region origin ASes present in the Internet Routing Table: 1056 APNIC Prefixes per ASN: 26.85 APNIC Region origin ASes announcing only one prefix: 433 APNIC Region transit ASes present in the Internet Routing Table: 179 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: 451 Number of APNIC addresses announced to Internet: 170997896 Equivalent to 10 /8s, 49 /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: 82462 Total ARIN prefixes after maximum aggregation: 44947 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81327 Unique aggregates announced from the ARIN address blocks: 50509 ARIN Region origin ASes present in the Internet Routing Table: 7216 ARIN Prefixes per ASN: 11.27 ARIN Region origin ASes announcing only one prefix: 3084 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: 1465 Number of ARIN addresses announced to Internet: 605700321 Equivalent to 36 /8s, 26 /16s and 64 /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: 35032 Total RIPE prefixes after maximum aggregation: 16339 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 35569 Unique aggregates announced from the RIPE address blocks: 23509 RIPE Region origin ASes present in the Internet Routing Table: 3248 RIPE Prefixes per ASN: 10.95 RIPE Region origin ASes announcing only one prefix: 1388 RIPE Region transit ASes present in the Internet Routing Table: 494 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: 1186 Number of RIPE addresses announced to Internet: 155161040 Equivalent to 9 /8s, 63 /16s and 145 /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: 32036 Total LACNIC prefixes after maximum aggregation: 10153 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31811 Unique aggregates announced from the LACNIC address blocks: 15743 LACNIC Region origin ASes present in the Internet Routing Table: 2996 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 1070 LACNIC Region transit ASes present in the Internet Routing Table: 586 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: 2301 Number of LACNIC addresses announced to Internet: 74018048 Equivalent to 4 /8s, 105 /16s and 109 /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: 4953 Total AfriNIC prefixes after maximum aggregation: 1883 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 6120 Unique aggregates announced from the AfriNIC address blocks: 3096 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 30.15 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 61 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: 101 Number of AfriNIC addresses announced to Internet: 29138688 Equivalent to 1 /8s, 188 /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 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1444 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 777 168 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 434 488 105 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 9646 11244 3329 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2885 3643 1401 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1708 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1464 394 653 DNIC-ASBLK-05800-06055, US 4155 1212 79 969 USDA-1, US 7979 989 65 196 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 930 434 856 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 1366 114 1101 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 716 60 22 Jordan Data Communications, JO 8452 570 1841 11 TE-AS TE-AS, EG 6849 478 306 17 UKRTELNET, UA 51167 437 79 185 CONTABO, DE 35819 434 434 46 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, 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 5391 1558 930 UNINET, MX 3816 1310 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 222 Techtel LMDS Comunicaciones Interactiva 26599 562 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 481 69 208 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 24863 605 235 202 LINKdotNET-AS, EG 36992 486 777 258 ETISALAT-MISR, EG 29571 473 35 241 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36914 318 82 3 KENET-AS, KE 36935 267 67 80 Vodafone-, EG 24835 198 161 114 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 160 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 16509 9646 11244 3329 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5391 1558 930 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2885 3643 1401 DNIC-ASBLK-00306-00371, US 11776 1855 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 1464 394 653 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 9808 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5391 4461 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2885 1484 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 1444 1334 CMNET-JIANGSU-AP China Mobile communications co 3816 1310 1117 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 6939 HURRICANE, US 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 /11:27 /12:73 /13:112 /14:335 /15:668 /16:5368 /17:2516 /18:2593 /19:5381 /20:8761 /21:10809 /22:19619 /23:20598 /24:106100 /25:83 /26:52 /27:73 /28:19 /29:21 /30:16 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 2949 5391 UNINET, MX 16509 2043 9646 AMAZON-02, US 209 964 1708 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1855 ATLANTICBB-JOHNSTOWN, US 11830 882 1042 Instituto Costarricense de Electricidad y Telec 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 680 819 BRSPD-PUBLIC, US 8376 559 716 Jordan Data Communications, JO 7979 442 989 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 2:458 3:269 5:1074 6:151 7:5 8:617 11:171 12:257 13:329 14:98 15:280 16:173 17:6 18:686 20:30 21:4 22:188 23:1880 24:401 25:2 27:18 29:19 31:155 32:1 34:3 35:53 36:1111 37:518 38:823 39:523 40:8 41:507 42:23 43:172 44:35 45:2292 46:561 47:99 49:10 50:249 51:472 52:1352 54:274 55:857 57:17 58:5 59:33 60:19 61:63 62:345 63:459 64:1524 65:822 66:1270 67:673 68:166 69:722 70:150 71:191 72:371 74:718 75:392 76:210 77:265 78:550 79:159 80:169 81:179 82:182 83:92 84:178 85:277 86:148 87:150 88:101 89:293 90:96 91:514 92:391 93:778 94:492 95:1091 96:169 97:30 98:128 99:148 100:22 101:25 102:181 103:951 104:690 105:130 106:2 107:227 108:292 109:209 110:26 111:1745 112:447 113:40 114:32 115:10 116:32 117:946 118:50 119:94 120:1088 121:31 122:81 123:20 124:57 125:11 128:425 129:279 130:508 131:776 132:508 133:265 134:322 135:68 136:358 137:439 138:708 139:411 140:574 141:197 142:699 143:585 144:313 145:67 146:470 147:322 148:585 149:517 150:279 151:541 152:372 153:117 154:464 155:660 156:298 157:219 158:313 159:523 160:627 161:419 162:685 163:282 164:587 165:381 166:104 167:375 168:932 169:153 170:1214 171:62 172:890 173:619 174:107 175:43 176:408 177:687 178:292 179:477 180:44 181:959 182:10 183:853 184:207 185:2185 186:1016 187:748 188:482 189:1062 190:2908 191:198 192:3664 193:1227 194:767 195:562 196:481 197:578 198:1902 199:3009 200:2717 201:2572 202:907 203:608 204:1739 205:1662 206:1131 207:1046 208:995 209:1392 210:292 211:421 212:708 213:537 214:1071 215:37 216:1681 217:303 218:515 219:19 220:30 221:292 222:18 223:628 End of report