IPv4 R&E Routing Table Report 20:15 GMT Sun 31 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: 182654 Prefixes after maximum aggregation (per Origin AS): 79785 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100228 Number of IPv4 prefixes with a valid ROA: 69806 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 112824 Total ASes present in the Internet Routing Table: 15600 Prefixes per ASN: 11.71 Origin-only ASes present in the Internet Routing Table: 13467 Origin ASes announcing only one prefix: 6100 Transit ASes present in the Internet Routing Table: 2133 Transit-only ASes present in the Internet Routing Table: 582 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 219 Number of instances of unregistered ASNs: 219 Number of 32-bit ASNs allocated by the RIRs: 43984 Number of 32-bit ASNs visible in the Routing Table: 5672 Prefixes from 32-bit ASNs in the Routing Table: 19105 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: 91 Number of addresses announced to Internet: 1024559161 Equivalent to 61 /8s, 17 /16s and 136 /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: 53332 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28811 Total APNIC prefixes after maximum aggregation: 6523 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28547 Unique aggregates announced from the APNIC address blocks: 7552 APNIC Region origin ASes present in the Internet Routing Table: 1095 APNIC Prefixes per ASN: 26.07 APNIC Region origin ASes announcing only one prefix: 436 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: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 469 Number of APNIC addresses announced to Internet: 157710216 Equivalent to 9 /8s, 102 /16s and 119 /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: 82254 Total ARIN prefixes after maximum aggregation: 44859 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 81086 Unique aggregates announced from the ARIN address blocks: 50663 ARIN Region origin ASes present in the Internet Routing Table: 7185 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3065 ARIN Region transit ASes present in the Internet Routing Table: 640 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1464 Number of ARIN addresses announced to Internet: 605354721 Equivalent to 36 /8s, 20 /16s and 250 /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: 34955 Total RIPE prefixes after maximum aggregation: 16509 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35454 Unique aggregates announced from the RIPE address blocks: 23401 RIPE Region origin ASes present in the Internet Routing Table: 3280 RIPE Prefixes per ASN: 10.81 RIPE Region origin ASes announcing only one prefix: 1403 RIPE Region transit ASes present in the Internet Routing Table: 519 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1209 Number of RIPE addresses announced to Internet: 157343696 Equivalent to 9 /8s, 96 /16s and 223 /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: 31905 Total LACNIC prefixes after maximum aggregation: 10022 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31616 Unique aggregates announced from the LACNIC address blocks: 15757 LACNIC Region origin ASes present in the Internet Routing Table: 3116 LACNIC Prefixes per ASN: 10.15 LACNIC Region origin ASes announcing only one prefix: 1091 LACNIC Region transit ASes present in the Internet Routing Table: 621 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: 2401 Number of LACNIC addresses announced to Internet: 73582592 Equivalent to 4 /8s, 98 /16s and 200 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4510 Total AfriNIC prefixes after maximum aggregation: 1690 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 5860 Unique aggregates announced from the AfriNIC address blocks: 2769 AfriNIC Region origin ASes present in the Internet Routing Table: 248 AfriNIC Prefixes per ASN: 23.63 AfriNIC Region origin ASes announcing only one prefix: 105 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 129 Number of AfriNIC addresses announced to Internet: 30514432 Equivalent to 1 /8s, 209 /16s and 157 /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 9647 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 786 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 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 435 488 107 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 9789 11363 3401 AMAZON-02, US 749 3189 54916 2441 DNIC-AS-00749, US 367 2879 3579 1363 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1562 101 1151 USDA-1, US 5972 1394 387 645 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 957 255 82 CANET-ASN-4, CA 15169 840 2001 65 GOOGLE, 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 1275 108 1045 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 58224 411 184 324 TCI, IR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5372 1554 859 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 946 1128 29 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 545 71 456 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 14117 230 39 9 Telefonica del Sur 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 643 238 187 LINKdotNET-AS, EG 36992 404 638 266 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 266 67 80 Vodafone-, EG 36914 203 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 163 26 6 MAINONE, NG 327687 163 28 3 RENU, UG 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 9789 11363 3401 AMAZON-02, US 9808 9647 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5372 1554 859 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3189 54916 2441 DNIC-AS-00749, US 367 2879 3579 1363 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1562 101 1151 USDA-1, US 56047 1504 192 47 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 9647 9587 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5372 4513 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2879 1516 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1695 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 1113 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 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 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 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 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 /12:74 /13:114 /14:335 /15:672 /16:5262 /17:2513 /18:2605 /19:5301 /20:8496 /21:10717 /22:19499 /23:20184 /24:106587 /25:69 /26:39 /27:70 /28:19 /29:21 /30:18 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2936 5372 UNINET, MX 16509 2079 9789 AMAZON-02, US 209 957 1695 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 699 840 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 565 720 Jordan Data Communications, JO 7979 451 1002 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 2:374 3:288 5:1071 6:148 7:5 8:619 11:171 12:258 13:319 14:99 15:281 16:174 17:6 18:706 20:33 21:4 22:188 23:1789 24:405 25:2 27:17 29:19 31:164 32:1 34:5 35:53 36:1151 37:514 38:832 39:523 40:8 41:571 42:22 43:187 44:28 45:2330 46:581 47:99 49:11 50:249 51:470 52:1349 54:269 55:890 57:16 58:4 59:32 60:19 61:65 62:332 63:464 64:1435 65:795 66:1236 67:674 68:166 69:739 70:148 71:189 72:369 74:730 75:391 76:206 77:276 78:515 79:160 80:196 81:185 82:166 83:95 84:178 85:329 86:144 87:143 88:119 89:465 90:97 91:530 92:399 93:777 94:556 95:1078 96:165 97:32 98:125 99:146 100:22 101:25 102:223 103:1061 104:689 105:30 106:3 107:222 108:298 109:263 110:24 111:1793 112:447 113:41 114:32 115:11 116:31 117:949 118:51 119:97 120:1090 121:31 122:79 123:20 124:57 125:11 128:363 129:308 130:468 131:797 132:498 133:264 134:321 135:66 136:370 137:446 138:763 139:395 140:585 141:316 142:697 143:585 144:318 145:58 146:463 147:319 148:565 149:508 150:289 151:494 152:363 153:117 154:550 155:658 156:380 157:248 158:317 159:523 160:319 161:415 162:685 163:289 164:625 165:373 166:101 167:381 168:1018 169:158 170:1244 171:66 172:892 173:617 174:102 175:46 176:394 177:742 178:321 179:505 180:59 181:989 182:20 183:854 184:202 185:2205 186:999 187:751 188:481 189:1084 190:2942 191:190 192:3677 193:1212 194:788 195:555 196:436 197:404 198:1842 199:3353 200:2650 201:2558 202:936 203:590 204:1735 205:1640 206:1130 207:994 208:960 209:1396 210:302 211:423 212:672 213:525 214:1037 215:43 216:1682 217:278 218:515 219:19 220:29 221:302 222:16 223:630 End of report