This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 30 Dec, 2023 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 951080 Prefixes after maximum aggregation (per Origin AS): 356965 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 456285 Number of IPv4 prefixes with a valid ROA: 446199 Number of IPv4 prefixes with an invalid ROA: 5 Number of IPv4 prefixes with no ROA: 504876 Total ASes present in the Internet Routing Table: 75186 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 64560 Origin ASes announcing only one prefix: 26115 Transit ASes present in the Internet Routing Table: 10626 Transit-only ASes present in the Internet Routing Table: 485 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 998 Number of instances of unregistered ASNs: 998 Number of 32-bit ASNs allocated by the RIRs: 43286 Number of 32-bit ASNs visible in the Routing Table: 35614 Prefixes from 32-bit ASNs in the Routing Table: 183980 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 368 Number of addresses announced to Internet: 3045331712 Equivalent to 181 /8s, 132 /16s and 19 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 319753 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247496 Total APNIC prefixes after maximum aggregation: 71653 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 240533 Unique aggregates announced from the APNIC address blocks: 99474 APNIC Region origin ASes present in the Internet Routing Table: 13818 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 4160 APNIC Region transit ASes present in the Internet Routing Table: 1861 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9188 Number of APNIC addresses announced to Internet: 770543680 Equivalent to 45 /8s, 237 /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: 276350 Total ARIN prefixes after maximum aggregation: 124616 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 281347 Unique aggregates announced from the ARIN address blocks: 133243 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1952 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4836 Number of ARIN addresses announced to Internet: 1273967680 Equivalent to 75 /8s, 239 /16s and 52 /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: 265535 Total RIPE prefixes after maximum aggregation: 125247 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260177 Unique aggregates announced from the RIPE address blocks: 160977 RIPE Region origin ASes present in the Internet Routing Table: 28537 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11516 Number of RIPE addresses announced to Internet: 714367104 Equivalent to 42 /8s, 148 /16s and 96 /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: 128737 Total LACNIC prefixes after maximum aggregation: 28703 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 127271 Unique aggregates announced from the LACNIC address blocks: 49397 LACNIC Region origin ASes present in the Internet Routing Table: 11067 LACNIC Prefixes per ASN: 11.50 LACNIC Region origin ASes announcing only one prefix: 2290 LACNIC Region transit ASes present in the Internet Routing Table: 2387 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8917 Number of LACNIC addresses announced to Internet: 178401280 Equivalent to 10 /8s, 162 /16s and 48 /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: 31964 Total AfriNIC prefixes after maximum aggregation: 6047 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 41384 Unique aggregates announced from the AfriNIC address blocks: 12896 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.79 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107809280 Equivalent to 6 /8s, 109 /16s and 10 /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 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3842 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3583 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3409 494 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3354 1872 98 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2162 442 195 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9415 11193 3362 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 69 SHAW, CA 22773 3506 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3194 1416 2324 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2967 3839 1415 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2507 23622 1574 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4008 3397 141 AKAMAI-ASN1, NL 9009 3489 300 1630 M247, RO 8551 3336 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2886 2300 911 ROSTELECOM-AS, RU 34984 2326 359 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1451 95 716 STARK-INDUSTRIES, GB Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12167 3384 591 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1105 178 425 Techtel LMDS Comunicaciones Interactiva 28202 1103 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1087 369 22 Telefonica del Peru S.A.A., PE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 37457 557 316 43 Telkom-Internet, ZA 6713 551 1861 34 IAM-AS, MA 15399 533 55 52 WANANCHI-, KE 36914 528 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12167 3384 591 UNINET, MX 9808 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9415 11193 3362 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5674 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 4008 3397 141 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9778 9728 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9415 6053 AMAZON-02, US 7545 5674 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4542 4517 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4008 3867 AKAMAI-ASN1, NL 7552 3842 3822 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Guam/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 33650 COMCAST-33650, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:36 /11:99 /12:299 /13:579 /14:1192 /15:2101 /16:13469 /17:8286 /18:13958 /19:25191 /20:44021 /21:52245 /22:111598 /23:103183 /24:574339 /25:85 /26:62 /27:135 /28:39 /29:90 /30:19 /31:6 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6652 7564 UNI2-AS, ES 8151 6174 12167 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2813 3336 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2556 3506 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2277 2:1402 3:284 4:7 5:4477 6:163 7:6 8:1503 9:1 11:172 12:1488 13:375 14:2331 15:306 16:206 17:361 18:705 20:362 21:4 22:188 23:6580 24:2991 25:2 27:2645 29:19 31:2573 32:62 34:36 35:119 36:2125 37:4501 38:5923 39:885 40:145 41:4314 42:2197 43:2334 44:327 45:17343 46:4391 47:284 49:1902 50:1896 51:576 52:1590 54:368 55:888 56:5 57:135 58:1923 59:1112 60:1013 61:2634 62:2828 63:1916 64:5677 65:2363 66:5086 67:3074 68:1343 69:4070 70:1336 71:618 72:2992 74:2650 75:1578 76:621 77:2459 78:1836 79:3002 80:2134 81:1888 82:1537 83:1333 84:1620 85:3022 86:789 87:2058 88:1278 89:4000 90:657 91:8016 92:2174 93:2644 94:3629 95:4015 96:1298 97:316 98:1016 99:738 100:94 101:1153 102:3250 103:32407 104:4794 105:1003 106:970 107:2758 108:1150 109:4183 110:2116 111:3156 112:2083 113:1731 114:1749 115:2075 116:1976 117:2627 118:2768 119:1958 120:1757 121:1267 122:2652 123:2199 124:1592 125:2778 128:1499 129:918 130:1087 131:2066 132:886 133:411 134:1704 135:346 136:920 137:1189 138:2888 139:1563 140:1344 141:1349 142:1562 143:1576 144:983 145:340 146:2028 147:1640 148:2496 149:2402 150:1030 151:1313 152:1876 153:599 154:5557 155:1379 156:2120 157:1378 158:1079 159:2217 160:2665 161:1617 162:3607 163:1679 164:1638 165:2145 166:1068 167:1758 168:4024 169:800 170:4927 171:979 172:3777 173:3041 174:891 175:1228 176:3667 177:5448 178:3558 179:2489 180:2366 181:3709 182:3422 183:2004 184:2267 185:20727 186:5133 187:4698 188:4136 189:4285 190:9530 191:1936 192:11046 193:9016 194:7420 195:5315 196:3179 197:2657 198:5970 199:6862 200:8423 201:6362 202:10454 203:10174 204:4605 205:3679 206:4462 207:3479 208:4110 209:4945 210:4418 211:2495 212:4264 213:3444 214:1113 215:50 216:6816 217:2877 218:1303 219:414 220:1820 221:1022 222:683 223:2185 End of report