IPv4 R&E Routing Table Report 20:15 GMT Thu 18 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: 188563 Prefixes after maximum aggregation (per Origin AS): 82697 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103155 Number of IPv4 prefixes with a valid ROA: 71740 Number of IPv4 prefixes with an invalid ROA: 29 Number of IPv4 prefixes with no ROA: 116794 Total ASes present in the Internet Routing Table: 16145 Prefixes per ASN: 11.68 Origin-only ASes present in the Internet Routing Table: 14008 Origin ASes announcing only one prefix: 6439 Transit ASes present in the Internet Routing Table: 2137 Transit-only ASes present in the Internet Routing Table: 589 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: 232 Number of instances of unregistered ASNs: 232 Number of 32-bit ASNs allocated by the RIRs: 43414 Number of 32-bit ASNs visible in the Routing Table: 5776 Prefixes from 32-bit ASNs in the Routing Table: 19008 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: 1071304329 Equivalent to 63 /8s, 218 /16s and 206 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 57011 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28127 Total APNIC prefixes after maximum aggregation: 6321 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 27921 Unique aggregates announced from the APNIC address blocks: 7117 APNIC Region origin ASes present in the Internet Routing Table: 1071 APNIC Prefixes per ASN: 26.07 APNIC Region origin ASes announcing only one prefix: 454 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: 464 Number of APNIC addresses announced to Internet: 166709640 Equivalent to 9 /8s, 239 /16s and 201 /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: 83440 Total ARIN prefixes after maximum aggregation: 45982 ARIN Deaggregation factor: 1.81 Prefixes being announced from the ARIN address blocks: 82518 Unique aggregates announced from the ARIN address blocks: 51620 ARIN Region origin ASes present in the Internet Routing Table: 7384 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3186 ARIN Region transit ASes present in the Internet Routing Table: 659 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: 1500 Number of ARIN addresses announced to Internet: 606548929 Equivalent to 36 /8s, 39 /16s and 51 /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: 39803 Total RIPE prefixes after maximum aggregation: 18475 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39997 Unique aggregates announced from the RIPE address blocks: 26088 RIPE Region origin ASes present in the Internet Routing Table: 3740 RIPE Prefixes per ASN: 10.69 RIPE Region origin ASes announcing only one prefix: 1611 RIPE Region transit ASes present in the Internet Routing Table: 537 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: 1367 Number of RIPE addresses announced to Internet: 196320576 Equivalent to 11 /8s, 179 /16s and 157 /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: 32305 Total LACNIC prefixes after maximum aggregation: 10165 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 32060 Unique aggregates announced from the LACNIC address blocks: 15689 LACNIC Region origin ASes present in the Internet Routing Table: 3059 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 1106 LACNIC Region transit ASes present in the Internet Routing Table: 602 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: 2347 Number of LACNIC addresses announced to Internet: 73470208 Equivalent to 4 /8s, 97 /16s and 17 /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: 4656 Total AfriNIC prefixes after maximum aggregation: 1566 AfriNIC Deaggregation factor: 2.97 Prefixes being announced from the AfriNIC address blocks: 5990 Unique aggregates announced from the AfriNIC address blocks: 2566 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 28.80 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 57 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: 98 Number of AfriNIC addresses announced to Internet: 28214784 Equivalent to 1 /8s, 174 /16s and 134 /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 9591 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1436 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 445 488 104 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 9490 11202 3372 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2980 3835 1438 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1702 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1511 394 674 DNIC-ASBLK-05800-06055, US 4155 1032 67 853 USDA-1, US 855 961 255 82 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 1407 119 1130 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 719 60 22 Jordan Data Communications, JO 34984 698 78 433 TELLCOM-AS, TR 8452 668 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 5106 1468 925 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 577 108 217 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 431 67 173 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 604 349 63 LINKdotNET-AS, EG 36914 477 82 3 KENET-AS, KE 29571 396 29 204 ORANGE-COTE-IVOIRE, CI 2018 373 319 71 TENET-1, ZA 36992 271 619 150 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 327687 161 28 3 RENU, UG 37492 155 471 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 9591 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9490 11202 3372 AMAZON-02, US 8151 5106 1468 925 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2980 3835 1438 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1702 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1511 394 674 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 9490 6118 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5106 4181 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2980 1542 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1702 1378 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 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 /16:5553 /17:2608 /18:2749 /19:5661 /20:8971 /21:10854 /22:20596 /23:20507 /24:109421 /25:79 /26:51 /27:69 /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 2813 5106 UNINET, MX 16509 1978 9490 AMAZON-02, US 209 961 1702 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 666 803 BRSPD-PUBLIC, US 8376 561 719 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 2:444 3:252 5:1104 6:150 7:5 8:623 11:171 12:256 13:314 14:100 15:279 16:165 17:6 18:667 20:49 21:4 22:188 23:1812 24:534 25:2 27:15 29:19 31:240 32:2 34:2 35:52 36:1101 37:497 38:839 39:511 40:7 41:623 42:12 43:177 44:29 45:2344 46:609 47:150 49:14 50:278 51:468 52:1365 54:322 55:858 57:18 58:6 59:29 60:19 61:59 62:343 63:476 64:1537 65:842 66:1346 67:735 68:155 69:774 70:154 71:210 72:370 74:771 75:389 76:207 77:250 78:552 79:182 80:239 81:205 82:195 83:102 84:215 85:337 86:149 87:216 88:158 89:313 90:98 91:610 92:392 93:793 94:518 95:1112 96:172 97:37 98:127 99:147 100:41 101:21 102:186 103:964 104:743 105:15 106:2 107:213 108:352 109:235 110:31 111:1730 112:468 113:43 114:30 115:10 116:26 117:947 118:46 119:100 120:1070 121:32 122:81 123:20 124:55 125:12 128:350 129:293 130:502 131:885 132:510 133:264 134:333 135:67 136:365 137:422 138:702 139:458 140:504 141:178 142:696 143:607 144:314 145:79 146:484 147:329 148:588 149:511 150:284 151:533 152:360 153:113 154:475 155:662 156:318 157:239 158:301 159:535 160:535 161:458 162:706 163:269 164:622 165:393 166:110 167:374 168:955 169:148 170:1175 171:60 172:891 173:635 174:112 175:38 176:678 177:715 178:314 179:528 180:45 181:1058 182:15 183:858 184:210 185:2402 186:1025 187:768 188:606 189:1032 190:2989 191:210 192:3739 193:1379 194:906 195:684 196:465 197:650 198:1937 199:2870 200:2906 201:2603 202:903 203:592 204:1787 205:1603 206:1106 207:1102 208:997 209:1395 210:294 211:458 212:764 213:678 214:1063 215:37 216:1718 217:404 218:515 219:19 220:27 221:292 222:18 223:615 End of report