IPv4 R&E Routing Table Report 20:15 GMT Sun 28 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: 189215 Prefixes after maximum aggregation (per Origin AS): 82842 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103557 Number of IPv4 prefixes with a valid ROA: 72323 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116869 Total ASes present in the Internet Routing Table: 16093 Prefixes per ASN: 11.76 Origin-only ASes present in the Internet Routing Table: 13949 Origin ASes announcing only one prefix: 6441 Transit ASes present in the Internet Routing Table: 2144 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: 26 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: 43496 Number of 32-bit ASNs visible in the Routing Table: 5796 Prefixes from 32-bit ASNs in the Routing Table: 19264 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: 1076366249 Equivalent to 64 /8s, 40 /16s and 11 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 29.1 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: 56217 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28909 Total APNIC prefixes after maximum aggregation: 6571 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28603 Unique aggregates announced from the APNIC address blocks: 7711 APNIC Region origin ASes present in the Internet Routing Table: 1048 APNIC Prefixes per ASN: 27.29 APNIC Region origin ASes announcing only one prefix: 440 APNIC Region transit ASes present in the Internet Routing Table: 173 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: 442 Number of APNIC addresses announced to Internet: 172838024 Equivalent to 10 /8s, 77 /16s and 76 /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: 83502 Total ARIN prefixes after maximum aggregation: 45873 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82823 Unique aggregates announced from the ARIN address blocks: 51936 ARIN Region origin ASes present in the Internet Routing Table: 7413 ARIN Prefixes per ASN: 11.17 ARIN Region origin ASes announcing only one prefix: 3190 ARIN Region transit ASes present in the Internet Routing Table: 658 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: 1511 Number of ARIN addresses announced to Internet: 606718433 Equivalent to 36 /8s, 41 /16s and 201 /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: 39384 Total RIPE prefixes after maximum aggregation: 18305 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39376 Unique aggregates announced from the RIPE address blocks: 25463 RIPE Region origin ASes present in the Internet Routing Table: 3591 RIPE Prefixes per ASN: 10.97 RIPE Region origin ASes announcing only one prefix: 1572 RIPE Region transit ASes present in the Internet Routing Table: 526 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1297 Number of RIPE addresses announced to Internet: 194512960 Equivalent to 11 /8s, 152 /16s and 8 /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: 32526 Total LACNIC prefixes after maximum aggregation: 10286 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32274 Unique aggregates announced from the LACNIC address blocks: 15649 LACNIC Region origin ASes present in the Internet Routing Table: 3147 LACNIC Prefixes per ASN: 10.26 LACNIC Region origin ASes announcing only one prefix: 1156 LACNIC Region transit ASes present in the Internet Routing Table: 623 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: 2449 Number of LACNIC addresses announced to Internet: 74354944 Equivalent to 4 /8s, 110 /16s and 145 /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: 4663 Total AfriNIC prefixes after maximum aggregation: 1620 AfriNIC Deaggregation factor: 2.88 Prefixes being announced from the AfriNIC address blocks: 6062 Unique aggregates announced from the AfriNIC address blocks: 2723 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 29.57 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 56 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: 97 Number of AfriNIC addresses announced to Internet: 27901696 Equivalent to 1 /8s, 169 /16s and 191 /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 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1441 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1436 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 782 168 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 9536 11240 3353 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2912 3729 1415 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 669 DNIC-ASBLK-05800-06055, US 4155 1089 71 894 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 916 433 842 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 1406 120 1135 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 646 1841 11 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 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 5243 1530 953 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1045 324 7 Instituto Costarricense de Electricidad 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 578 106 218 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 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 543 307 101 LINKdotNET-AS, EG 36914 475 82 3 KENET-AS, KE 29571 410 30 210 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 305 670 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 169 471 43 ORANGE-, TN 327687 163 28 3 RENU, UG 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 9618 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9536 11240 3353 AMAZON-02, US 8151 5243 1530 953 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2912 3729 1415 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 669 DNIC-ASBLK-05800-06055, US 56047 1468 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 9536 6183 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5243 4290 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2912 1497 DNIC-ASBLK-00306-00371, US 56047 1468 1434 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1441 1368 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1436 1329 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 /13:129 /14:366 /15:745 /16:5606 /17:2689 /18:2815 /19:5754 /20:9168 /21:11268 /22:20582 /23:20576 /24:109115 /25:79 /26:52 /27:73 /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 2841 5243 UNINET, MX 16509 1999 9536 AMAZON-02, US 209 968 1713 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 11830 885 1045 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 670 807 BRSPD-PUBLIC, US 8376 567 721 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:499 3:256 5:1088 6:150 7:5 8:617 11:171 12:254 13:319 14:102 15:279 16:168 17:6 18:670 20:30 21:4 22:188 23:1853 24:539 25:2 27:15 29:19 31:242 32:2 34:2 35:52 36:1109 37:499 38:838 39:515 40:8 41:623 42:12 43:169 44:36 45:2354 46:600 47:148 49:14 50:302 51:468 52:1365 54:322 55:883 57:18 58:7 59:31 60:19 61:59 62:322 63:477 64:1538 65:823 66:1329 67:724 68:153 69:774 70:157 71:210 72:378 74:760 75:391 76:214 77:243 78:562 79:164 80:198 81:210 82:190 83:90 84:173 85:323 86:148 87:169 88:140 89:310 90:97 91:577 92:391 93:796 94:484 95:1101 96:167 97:36 98:130 99:148 100:41 101:22 102:191 103:909 104:758 105:16 106:2 107:285 108:360 109:227 110:32 111:1744 112:445 113:40 114:30 115:10 116:30 117:951 118:46 119:96 120:1086 121:32 122:86 123:20 124:55 125:11 128:411 129:286 130:503 131:768 132:510 133:263 134:333 135:67 136:368 137:423 138:714 139:462 140:510 141:178 142:752 143:605 144:322 145:87 146:487 147:333 148:574 149:519 150:282 151:542 152:356 153:113 154:469 155:658 156:412 157:237 158:316 159:540 160:543 161:460 162:701 163:270 164:612 165:398 166:126 167:375 168:959 169:148 170:1196 171:62 172:977 173:634 174:113 175:38 176:416 177:698 178:287 179:497 180:43 181:1059 182:14 183:861 184:216 185:2323 186:1012 187:753 188:536 189:1020 190:2998 191:213 192:3746 193:1367 194:901 195:675 196:461 197:641 198:1964 199:2960 200:2900 201:2589 202:899 203:594 204:1789 205:1631 206:1096 207:1090 208:995 209:1377 210:310 211:458 212:767 213:669 214:1063 215:39 216:1760 217:347 218:516 219:29 220:27 221:292 222:23 223:621 End of report