IPv4 R&E Routing Table Report 20:15 GMT Mon 18 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: 182995 Prefixes after maximum aggregation (per Origin AS): 79792 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 99949 Number of IPv4 prefixes with a valid ROA: 69220 Number of IPv4 prefixes with an invalid ROA: 21 Number of IPv4 prefixes with no ROA: 113754 Total ASes present in the Internet Routing Table: 15473 Prefixes per ASN: 11.83 Origin-only ASes present in the Internet Routing Table: 13341 Origin ASes announcing only one prefix: 6073 Transit ASes present in the Internet Routing Table: 2132 Transit-only ASes present in the Internet Routing Table: 589 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: 214 Number of instances of unregistered ASNs: 214 Number of 32-bit ASNs allocated by the RIRs: 43852 Number of 32-bit ASNs visible in the Routing Table: 5583 Prefixes from 32-bit ASNs in the Routing Table: 18409 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: 90 Number of addresses announced to Internet: 1025518777 Equivalent to 61 /8s, 32 /16s and 44 /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: 53429 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28608 Total APNIC prefixes after maximum aggregation: 6442 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28343 Unique aggregates announced from the APNIC address blocks: 7451 APNIC Region origin ASes present in the Internet Routing Table: 1085 APNIC Prefixes per ASN: 26.12 APNIC Region origin ASes announcing only one prefix: 436 APNIC Region transit ASes present in the Internet Routing Table: 181 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: 157554056 Equivalent to 9 /8s, 100 /16s and 21 /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: 82419 Total ARIN prefixes after maximum aggregation: 44812 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81320 Unique aggregates announced from the ARIN address blocks: 50550 ARIN Region origin ASes present in the Internet Routing Table: 7176 ARIN Prefixes per ASN: 11.33 ARIN Region origin ASes announcing only one prefix: 3056 ARIN Region transit ASes present in the Internet Routing Table: 644 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: 1454 Number of ARIN addresses announced to Internet: 605303137 Equivalent to 36 /8s, 20 /16s and 49 /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: 34755 Total RIPE prefixes after maximum aggregation: 16394 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35235 Unique aggregates announced from the RIPE address blocks: 23137 RIPE Region origin ASes present in the Internet Routing Table: 3254 RIPE Prefixes per ASN: 10.83 RIPE Region origin ASes announcing only one prefix: 1403 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: 1195 Number of RIPE addresses announced to Internet: 157355984 Equivalent to 9 /8s, 97 /16s and 15 /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: 32344 Total LACNIC prefixes after maximum aggregation: 10189 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 32069 Unique aggregates announced from the LACNIC address blocks: 15851 LACNIC Region origin ASes present in the Internet Routing Table: 3071 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 1103 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: 2364 Number of LACNIC addresses announced to Internet: 73902592 Equivalent to 4 /8s, 103 /16s and 170 /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: 4655 Total AfriNIC prefixes after maximum aggregation: 1778 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 5938 Unique aggregates announced from the AfriNIC address blocks: 2876 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 28.97 AfriNIC Region origin ASes announcing only one prefix: 75 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: 103 Number of AfriNIC addresses announced to Internet: 31352576 Equivalent to 1 /8s, 222 /16s and 103 /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 1475 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 9718 11347 3412 AMAZON-02, US 749 3193 54919 2445 DNIC-AS-00749, US 367 2931 3633 1403 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1530 99 1143 USDA-1, US 5972 1427 394 638 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 863 403 794 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 1304 114 1063 AKAMAI-ASN1, NL 3215 897 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 58224 558 244 384 TCI, IR 8452 544 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 413 60 339 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 5393 1555 870 UNINET, MX 3816 1312 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 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 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 163 28 3 RENU, UG 37282 159 22 47 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 9718 11347 3412 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 2931 3633 1403 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1530 99 1143 USDA-1, US 56047 1475 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 2931 1528 DNIC-ASBLK-00306-00371, US 56047 1475 1441 CMNET-HUNAN-AP China Mobile communications corp 209 1702 1382 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 1312 1119 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 /12:73 /13:115 /14:335 /15:674 /16:5275 /17:2504 /18:2570 /19:5330 /20:8596 /21:10813 /22:19638 /23:20240 /24:106513 /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 2040 9718 AMAZON-02, US 209 959 1702 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 563 723 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 2:478 3:279 5:1062 6:148 7:5 8:623 11:171 12:257 13:323 14:98 15:281 16:174 17:6 18:694 20:33 21:4 22:188 23:1826 24:405 25:1 27:17 29:19 31:145 32:1 34:5 35:53 36:1119 37:477 38:833 39:523 40:8 41:556 42:21 43:186 44:28 45:2287 46:540 47:99 49:11 50:251 51:469 52:1355 54:272 55:971 57:16 58:6 59:34 60:19 61:62 62:333 63:464 64:1435 65:795 66:1212 67:675 68:164 69:716 70:147 71:190 72:372 74:722 75:389 76:207 77:260 78:493 79:161 80:200 81:187 82:179 83:94 84:187 85:320 86:146 87:140 88:121 89:452 90:98 91:492 92:392 93:767 94:521 95:1079 96:165 97:32 98:125 99:144 100:22 101:25 102:253 103:1031 104:686 105:28 106:2 107:219 108:295 109:219 110:30 111:1752 112:448 113:40 114:34 115:11 116:32 117:946 118:52 119:96 120:1091 121:31 122:80 123:20 124:57 125:12 128:389 129:317 130:482 131:776 132:500 133:264 134:331 135:65 136:376 137:451 138:735 139:395 140:575 141:321 142:694 143:578 144:321 145:59 146:456 147:320 148:612 149:509 150:290 151:493 152:367 153:117 154:481 155:659 156:364 157:218 158:319 159:528 160:333 161:417 162:696 163:278 164:614 165:363 166:100 167:382 168:973 169:149 170:1223 171:62 172:894 173:616 174:105 175:46 176:387 177:713 178:328 179:492 180:44 181:996 182:12 183:854 184:198 185:2056 186:1041 187:785 188:494 189:1123 190:2979 191:192 192:3671 193:1181 194:760 195:558 196:453 197:430 198:1933 199:3325 200:2734 201:2583 202:939 203:588 204:1767 205:1660 206:1121 207:1058 208:977 209:1406 210:289 211:422 212:689 213:537 214:1051 215:43 216:1683 217:303 218:515 219:19 220:30 221:300 222:18 223:628 End of report