IPv4 R&E Routing Table Report 20:15 GMT Sat 20 Jan, 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: 188416 Prefixes after maximum aggregation (per Origin AS): 82626 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103036 Number of IPv4 prefixes with a valid ROA: 71579 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 116815 Total ASes present in the Internet Routing Table: 16144 Prefixes per ASN: 11.67 Origin-only ASes present in the Internet Routing Table: 14010 Origin ASes announcing only one prefix: 6424 Transit ASes present in the Internet Routing Table: 2134 Transit-only ASes present in the Internet Routing Table: 596 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 27 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 43429 Number of 32-bit ASNs visible in the Routing Table: 5784 Prefixes from 32-bit ASNs in the Routing Table: 18949 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: 77 Number of addresses announced to Internet: 1072314281 Equivalent to 63 /8s, 234 /16s and 55 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 56852 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28049 Total APNIC prefixes after maximum aggregation: 6277 APNIC Deaggregation factor: 4.47 Prefixes being announced from the APNIC address blocks: 27862 Unique aggregates announced from the APNIC address blocks: 7076 APNIC Region origin ASes present in the Internet Routing Table: 1061 APNIC Prefixes per ASN: 26.26 APNIC Region origin ASes announcing only one prefix: 446 APNIC Region transit ASes present in the Internet Routing Table: 177 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 462 Number of APNIC addresses announced to Internet: 167396744 Equivalent to 9 /8s, 250 /16s and 69 /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: 83377 Total ARIN prefixes after maximum aggregation: 45850 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82436 Unique aggregates announced from the ARIN address blocks: 51516 ARIN Region origin ASes present in the Internet Routing Table: 7396 ARIN Prefixes per ASN: 11.15 ARIN Region origin ASes announcing only one prefix: 3179 ARIN Region transit ASes present in the Internet Routing Table: 660 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: 1504 Number of ARIN addresses announced to Internet: 606323169 Equivalent to 36 /8s, 35 /16s and 193 /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: 39834 Total RIPE prefixes after maximum aggregation: 18474 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 40056 Unique aggregates announced from the RIPE address blocks: 26112 RIPE Region origin ASes present in the Internet Routing Table: 3735 RIPE Prefixes per ASN: 10.72 RIPE Region origin ASes announcing only one prefix: 1611 RIPE Region transit ASes present in the Internet Routing Table: 536 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1365 Number of RIPE addresses announced to Internet: 196518720 Equivalent to 11 /8s, 182 /16s and 163 /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: 32272 Total LACNIC prefixes after maximum aggregation: 10146 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 32023 Unique aggregates announced from the LACNIC address blocks: 15545 LACNIC Region origin ASes present in the Internet Routing Table: 3063 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 1110 LACNIC Region transit ASes present in the Internet Routing Table: 600 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2359 Number of LACNIC addresses announced to Internet: 74019584 Equivalent to 4 /8s, 105 /16s and 115 /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: 4653 Total AfriNIC prefixes after maximum aggregation: 1692 AfriNIC Deaggregation factor: 2.75 Prefixes being announced from the AfriNIC address blocks: 5962 Unique aggregates announced from the AfriNIC address blocks: 2712 AfriNIC Region origin ASes present in the Internet Routing Table: 200 AfriNIC Prefixes per ASN: 29.81 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 94 Number of AfriNIC addresses announced to Internet: 28015872 Equivalent to 1 /8s, 171 /16s and 125 /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 9589 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1437 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1431 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 771 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 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 9474 11198 3374 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2953 3814 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 4155 1044 68 862 USDA-1, US 855 963 255 83 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 938 433 863 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1403 119 1127 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 729 60 22 Jordan Data Communications, JO 34984 698 78 433 TELLCOM-AS, TR 8452 670 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 433 75 183 CONTABO, DE 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 5241 1526 946 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 576 107 219 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 432 67 174 Mega Cable, S.A. de C.V., MX 27651 329 62 8 ENTEL CHILE S.A., CL 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 527 273 151 LINKdotNET-AS, EG 36914 479 82 3 KENET-AS, KE 29571 404 29 207 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 294 655 162 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 327687 163 28 3 RENU, UG 37492 157 471 43 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 9808 9589 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9474 11198 3374 AMAZON-02, US 8151 5241 1526 946 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2953 3814 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 56047 1469 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 16509 9474 6100 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5241 4295 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2953 1533 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1437 1364 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1431 1324 CMNET-JIANGSU-AP China Mobile communications co 3816 1305 1108 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 41.74.44.0/24 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 /11:30 /12:78 /13:135 /14:369 /15:742 /16:5570 /17:2603 /18:2756 /19:5710 /20:8987 /21:10917 /22:20510 /23:20501 /24:109212 /25:79 /26:52 /27:75 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2843 5241 UNINET, MX 16509 1986 9474 AMAZON-02, US 209 962 1703 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 685 1088 Telefonica del Peru S.A.A., PE 19901 669 806 BRSPD-PUBLIC, US 8376 572 729 Jordan Data Communications, JO 34984 550 698 TELLCOM-AS, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:448 3:252 5:1104 6:150 7:5 8:621 11:171 12:256 13:314 14:99 15:279 16:165 17:6 18:661 20:32 21:4 22:188 23:1800 24:539 25:2 27:15 29:19 31:241 32:2 34:2 35:52 36:1101 37:501 38:830 39:511 40:7 41:643 42:12 43:176 44:30 45:2341 46:608 47:149 49:14 50:297 51:468 52:1366 54:322 55:858 57:18 58:6 59:29 60:19 61:59 62:343 63:476 64:1534 65:822 66:1324 67:724 68:153 69:766 70:157 71:210 72:363 74:761 75:389 76:214 77:252 78:552 79:185 80:233 81:202 82:195 83:102 84:215 85:337 86:149 87:216 88:158 89:313 90:97 91:610 92:399 93:796 94:515 95:1111 96:169 97:36 98:129 99:149 100:41 101:21 102:185 103:941 104:741 105:16 106:2 107:203 108:356 109:234 110:31 111:1730 112:468 113:43 114:30 115:11 116:26 117:947 118:46 119:100 120:1070 121:32 122:81 123:20 124:55 125:12 128:353 129:292 130:501 131:886 132:504 133:264 134:332 135:67 136:364 137:418 138:709 139:460 140:499 141:179 142:726 143:602 144:314 145:79 146:484 147:330 148:581 149:512 150:283 151:535 152:354 153:113 154:468 155:662 156:308 157:235 158:300 159:539 160:543 161:461 162:703 163:270 164:620 165:378 166:110 167:381 168:968 169:148 170:1184 171:60 172:892 173:636 174:113 175:38 176:681 177:700 178:317 179:483 180:44 181:1058 182:10 183:858 184:215 185:2404 186:1015 187:751 188:601 189:1003 190:2963 191:216 192:3736 193:1382 194:903 195:685 196:465 197:644 198:1942 199:2912 200:2890 201:2598 202:890 203:588 204:1776 205:1600 206:1102 207:1097 208:1003 209:1383 210:293 211:458 212:764 213:680 214:1065 215:37 216:1755 217:404 218:515 219:19 220:26 221:291 222:18 223:615 End of report