IPv4 R&E Routing Table Report 20:15 GMT Mon 15 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: 187883 Prefixes after maximum aggregation (per Origin AS): 82388 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 102679 Number of IPv4 prefixes with a valid ROA: 71777 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 116081 Total ASes present in the Internet Routing Table: 16131 Prefixes per ASN: 11.65 Origin-only ASes present in the Internet Routing Table: 14006 Origin ASes announcing only one prefix: 6449 Transit ASes present in the Internet Routing Table: 2125 Transit-only ASes present in the Internet Routing Table: 586 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: 237 Number of instances of unregistered ASNs: 237 Number of 32-bit ASNs allocated by the RIRs: 43391 Number of 32-bit ASNs visible in the Routing Table: 5756 Prefixes from 32-bit ASNs in the Routing Table: 18821 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: 1069495977 Equivalent to 63 /8s, 191 /16s and 54 /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: 56711 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28241 Total APNIC prefixes after maximum aggregation: 6343 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 27996 Unique aggregates announced from the APNIC address blocks: 7148 APNIC Region origin ASes present in the Internet Routing Table: 1074 APNIC Prefixes per ASN: 26.07 APNIC Region origin ASes announcing only one prefix: 450 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 460 Number of APNIC addresses announced to Internet: 166826120 Equivalent to 9 /8s, 241 /16s and 144 /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: 83046 Total ARIN prefixes after maximum aggregation: 45630 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82019 Unique aggregates announced from the ARIN address blocks: 51201 ARIN Region origin ASes present in the Internet Routing Table: 7405 ARIN Prefixes per ASN: 11.08 ARIN Region origin ASes announcing only one prefix: 3192 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: 1509 Number of ARIN addresses announced to Internet: 606250977 Equivalent to 36 /8s, 34 /16s and 167 /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: 39694 Total RIPE prefixes after maximum aggregation: 18410 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 40096 Unique aggregates announced from the RIPE address blocks: 26120 RIPE Region origin ASes present in the Internet Routing Table: 3747 RIPE Prefixes per ASN: 10.70 RIPE Region origin ASes announcing only one prefix: 1619 RIPE Region transit ASes present in the Internet Routing Table: 535 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: 1368 Number of RIPE addresses announced to Internet: 196563008 Equivalent to 11 /8s, 183 /16s and 80 /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: 31952 Total LACNIC prefixes after maximum aggregation: 10126 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31719 Unique aggregates announced from the LACNIC address blocks: 15372 LACNIC Region origin ASes present in the Internet Routing Table: 3020 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 1108 LACNIC Region transit ASes present in the Internet Routing Table: 594 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: 2320 Number of LACNIC addresses announced to Internet: 73771520 Equivalent to 4 /8s, 101 /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: 4713 Total AfriNIC prefixes after maximum aggregation: 1692 AfriNIC Deaggregation factor: 2.79 Prefixes being announced from the AfriNIC address blocks: 5976 Unique aggregates announced from the AfriNIC address blocks: 2763 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 29.01 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 99 Number of AfriNIC addresses announced to Internet: 26044160 Equivalent to 1 /8s, 141 /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 9590 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1486 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1429 842 106 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 601 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 437 180 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 9494 11204 3358 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2949 3829 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 672 DNIC-ASBLK-05800-06055, US 4155 982 64 820 USDA-1, US 855 961 255 82 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 879 403 814 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 1331 113 1074 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 732 60 22 Jordan Data Communications, JO 34984 697 78 432 TELLCOM-AS, TR 15897 567 183 24 VODAFONETURKEY, TR 8452 549 1329 11 TE-AS TE-AS, EG 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 430 73 180 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 5048 1501 902 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 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 576 108 216 Techtel LMDS Comunicaciones Interactiva 26599 561 2957 46 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 433 67 171 Mega Cable, S.A. de C.V., MX 27651 330 62 9 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 538 275 158 LINKdotNET-AS, EG 36914 527 82 3 KENET-AS, KE 29571 396 29 205 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 36992 253 570 144 ETISALAT-MISR, EG 24835 214 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 327687 159 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 9590 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9494 11204 3358 AMAZON-02, US 8151 5048 1501 902 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2949 3829 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 672 DNIC-ASBLK-05800-06055, US 56047 1486 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 9494 6136 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5048 4146 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2949 1529 DNIC-ASBLK-00306-00371, US 56047 1486 1452 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1429 1323 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1109 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 40493 UNALLOCATED 8.17.26.0/24 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 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 /11:29 /12:78 /13:135 /14:370 /15:743 /16:5558 /17:2627 /18:2742 /19:5625 /20:8981 /21:10881 /22:20388 /23:20429 /24:109007 /25:79 /26:51 /27:71 /28:18 /29:21 /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 2672 5048 UNINET, MX 16509 1973 9494 AMAZON-02, US 209 962 1704 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 666 803 BRSPD-PUBLIC, US 8376 573 732 Jordan Data Communications, JO 34984 549 697 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 2:450 3:251 5:1104 6:150 7:5 8:622 11:171 12:259 13:319 14:100 15:279 16:165 17:6 18:665 20:49 21:4 22:188 23:1740 24:531 25:2 27:16 29:19 31:256 32:2 34:2 35:52 36:1102 37:492 38:835 39:510 40:7 41:665 42:18 43:185 44:31 45:2299 46:606 47:149 49:14 50:276 51:468 52:1364 54:328 55:859 57:18 58:33 59:29 60:18 61:60 62:351 63:474 64:1541 65:826 66:1330 67:727 68:153 69:765 70:154 71:209 72:350 74:768 75:390 76:208 77:250 78:553 79:182 80:238 81:199 82:189 83:101 84:211 85:338 86:149 87:215 88:157 89:313 90:98 91:615 92:399 93:801 94:525 95:1116 96:165 97:37 98:129 99:149 100:42 101:21 102:187 103:946 104:725 105:15 106:2 107:205 108:351 109:235 110:33 111:1746 112:468 113:44 114:30 115:10 116:25 117:947 118:47 119:99 120:1068 121:33 122:81 123:20 124:55 125:12 128:351 129:293 130:499 131:877 132:507 133:264 134:323 135:66 136:366 137:419 138:703 139:455 140:503 141:178 142:696 143:594 144:312 145:87 146:487 147:332 148:588 149:512 150:283 151:533 152:360 153:113 154:462 155:666 156:370 157:240 158:301 159:543 160:533 161:460 162:704 163:270 164:619 165:400 166:111 167:375 168:939 169:151 170:1169 171:60 172:877 173:636 174:113 175:39 176:681 177:670 178:314 179:480 180:45 181:1070 182:11 183:861 184:199 185:2406 186:1025 187:804 188:606 189:1018 190:2987 191:207 192:3721 193:1392 194:906 195:688 196:481 197:677 198:1937 199:2826 200:2869 201:2435 202:906 203:590 204:1787 205:1594 206:1093 207:1087 208:999 209:1378 210:301 211:458 212:770 213:675 214:1060 215:37 216:1721 217:407 218:515 219:19 220:26 221:292 222:18 223:615 End of report