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 06 Sep, 2025 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: 1020008 Prefixes after maximum aggregation (per Origin AS): 388684 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 493288 Number of IPv4 prefixes with a valid ROA: 578174 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 441815 Total ASes present in the Internet Routing Table: 77389 Prefixes per ASN: 13.18 Origin-only ASes present in the Internet Routing Table: 66232 Origin ASes announcing only one prefix: 26965 Transit ASes present in the Internet Routing Table: 11157 Transit-only ASes present in the Internet Routing Table: 563 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 93 Max AS path prepend of ASN ( 63293) 37 Prefixes from unregistered ASNs in the Routing Table: 1033 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 47334 Number of 32-bit ASNs visible in the Routing Table: 38947 Prefixes from 32-bit ASNs in the Routing Table: 212507 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 297 Number of addresses announced to Internet: 3112468228 Equivalent to 185 /8s, 132 /16s and 127 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 330883 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 278060 Total APNIC prefixes after maximum aggregation: 79853 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 268533 Unique aggregates announced from the APNIC address blocks: 105948 APNIC Region origin ASes present in the Internet Routing Table: 14879 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4512 APNIC Region transit ASes present in the Internet Routing Table: 2012 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10364 Number of APNIC addresses announced to Internet: 755497536 Equivalent to 45 /8s, 7 /16s and 250 /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, 131072-155961 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: 296006 Total ARIN prefixes after maximum aggregation: 133327 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 297465 Unique aggregates announced from the ARIN address blocks: 142444 ARIN Region origin ASes present in the Internet Routing Table: 19294 ARIN Prefixes per ASN: 15.42 ARIN Region origin ASes announcing only one prefix: 7051 ARIN Region transit ASes present in the Internet Routing Table: 1995 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 41 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5316 Number of ARIN addresses announced to Internet: 1349351425 Equivalent to 80 /8s, 109 /16s and 120 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 282489 Total RIPE prefixes after maximum aggregation: 137789 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 281680 Unique aggregates announced from the RIPE address blocks: 179465 RIPE Region origin ASes present in the Internet Routing Table: 29071 RIPE Prefixes per ASN: 9.69 RIPE Region origin ASes announcing only one prefix: 12086 RIPE Region transit ASes present in the Internet Routing Table: 4027 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12694 Number of RIPE addresses announced to Internet: 732023171 Equivalent to 43 /8s, 161 /16s and 201 /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, 53/8, 57/8, 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: 126480 Total LACNIC prefixes after maximum aggregation: 30208 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 122599 Unique aggregates announced from the LACNIC address blocks: 49391 LACNIC Region origin ASes present in the Internet Routing Table: 11287 LACNIC Prefixes per ASN: 10.86 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2536 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 93 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9253 Number of LACNIC addresses announced to Internet: 170703936 Equivalent to 10 /8s, 44 /16s and 188 /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: 35940 Total AfriNIC prefixes after maximum aggregation: 6813 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 49434 Unique aggregates announced from the AfriNIC address blocks: 15770 AfriNIC Region origin ASes present in the Internet Routing Table: 1955 AfriNIC Prefixes per ASN: 25.29 AfriNIC Region origin ASes announcing only one prefix: 688 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1320 Number of AfriNIC addresses announced to Internet: 104700672 Equivalent to 6 /8s, 61 /16s and 155 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 13059 8889 172 CHINAMOBILE-CN China Mobile Communication 7545 6129 837 608 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4878 4192 75 ERX-CERNET-BKB China Education and Resear 9498 4466 535 310 BBIL-AP BHARTI Airtel Ltd., IN 18403 4405 347 26 FPT-AS-AP FPT Telecom Company, VN 45899 4395 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3960 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3654 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3123 832 227 CMNET-JIANGSU-AP China Mobile communicati 24560 2915 862 506 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 14325 40862 5413 AMAZON-02, US 174 4887 8759 840 COGENT-174, US 11492 4732 314 822 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 22773 3745 3051 310 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3660 1320 82 SHAW, CA 396982 3224 3859 442 GOOGLE-CLOUD-PLATFORM, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 2983 232 1740 USDA-1, US 16625 2937 1247 2178 AKAMAI-AS, 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 7492 1711 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3942 3396 140 AKAMAI-ASN1, NL 9009 3861 365 2191 M247, RO 12389 3120 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2413 361 586 TELLCOM-AS, TR 212238 2412 171 1747 CDNEXT, GB 5384 2391 585 29 EMIRATES-INTERNET Emirates Internet, AE 203020 1874 225 863 HOSTROYALE, IN 13188 1606 100 34 TRIOLAN, UA 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 12341 3277 574 UNINET, MX 10620 3487 473 1049 Telmex Colombia S.A., CO 13999 2529 510 352 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 28573 1372 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1352 789 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1211 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1177 371 22 Telefonica del Peru S.A.A., PE 22884 1059 67 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1013 2487 55 TIM SA, BR 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 24835 1824 652 28 RAYA-AS, EG 36992 1425 1495 377 ETISALAT-MISR, EG 29571 1371 102 38 ORANGE-COTE-IVOIRE, CI 36903 1250 554 97 MT-MPLS, MA 24863 1244 389 20 LINKdotNET-AS, EG 37069 1085 1096 13 MOBINIL, EG 36935 1066 523 46 Vodafone-, EG 20011 576 154 212 INTERNET-SOLUTIONS, ZA 36914 571 82 3 KENET-AS, KE 15399 547 57 59 WANANCHI-, 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 16509 14325 40862 5413 AMAZON-02, US 9808 13059 8889 172 CHINAMOBILE-CN China Mobile Communication 8151 12341 3277 574 UNINET, MX 12479 7492 1711 150 UNI2-AS, ES 7545 6129 837 608 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4887 8759 840 COGENT-174, US 4538 4878 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4732 314 822 CABLEONE, US 9498 4466 535 310 BBIL-AP BHARTI Airtel Ltd., IN 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 13059 12887 CHINAMOBILE-CN China Mobile Communications Grou 8151 12341 11767 UNINET, MX 12479 7492 7342 UNI2-AS, ES 7545 6129 5521 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4878 4803 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4405 4379 FPT-AS-AP FPT Telecom Company, VN 45899 4395 4340 VNPT-AS-VN VNPT Corp, VN 9498 4466 4156 BBIL-AP BHARTI Airtel Ltd., IN 174 4887 4047 COGENT-174, US 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.145.20.0/24 Origin: 63023 AS-GLOBALTELEHOST, US 23.145.20.0/24 Transit: 6461 ZAYO-6461, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /10:41 /11:92 /12:299 /13:581 /14:1214 /15:2168 /16:13859 /17:8437 /18:14241 /19:25401 /20:46251 /21:53298 /22:114306 /23:106649 /24:632381 /25:143 /26:111 /27:117 /28:21 /29:63 /30:11 /31:0 /32:294 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6541 12341 UNINET, MX 12479 6447 7492 UNI2-AS, ES 11492 3548 4732 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3456 3660 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2504 3745 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2411 14325 AMAZON-02, US 30036 2326 2669 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2207 3487 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) ---------------------------------------------- 1:2490 2:1605 3:933 4:12 5:4919 6:156 7:6 8:1570 9:4 11:172 12:1253 13:562 14:2686 15:397 16:302 17:392 18:903 20:584 21:4 22:188 23:7841 24:2712 25:2 27:2867 29:19 31:3452 32:33 33:1 34:85 35:269 36:4313 37:4572 38:10409 39:1008 40:261 41:4365 42:1958 43:2835 44:381 45:19126 46:5232 47:361 49:2021 50:2056 51:591 52:1609 54:361 55:902 56:11 57:287 58:2357 59:1399 60:1211 61:3155 62:3077 63:1788 64:5639 65:2142 66:4864 67:3112 68:1073 69:3978 70:1031 71:635 72:2863 74:2829 75:1512 76:599 77:2781 78:1900 79:1767 80:2264 81:2109 82:3307 83:1503 84:1956 85:3495 86:1197 87:2392 88:1324 89:4526 90:804 91:8458 92:2833 93:2987 94:4295 95:4441 96:1490 97:310 98:950 99:735 100:71 101:1497 102:4229 103:32765 104:5288 105:1040 106:882 107:2654 108:1222 109:4255 110:2272 111:3653 112:2495 113:1901 114:2003 115:2310 116:2160 117:2743 118:3079 119:2056 120:2279 121:1417 122:2940 123:2533 124:1801 125:2931 126:90 128:1616 129:983 130:1315 131:2180 132:783 133:460 134:1605 135:368 136:1490 137:1264 138:2878 139:1663 140:1646 141:1546 142:1913 143:2025 144:1226 145:607 146:2198 147:2120 148:2716 149:2969 150:1267 151:2366 152:2118 153:629 154:7709 155:1968 156:3393 157:1951 158:1409 159:2566 160:3611 161:1948 162:3913 163:2308 164:1920 165:2565 166:1561 167:2076 168:3896 169:785 170:5319 171:1016 172:4245 173:3413 174:903 175:1372 176:3819 177:4898 178:4068 179:2385 180:2660 181:4212 182:3694 183:2363 184:2088 185:21737 186:5424 187:4708 188:4311 189:4407 190:9733 191:1585 192:11428 193:9505 194:7960 195:5698 196:3310 197:3257 198:6132 199:8669 200:8269 201:6420 202:11023 203:10943 204:4548 205:3633 206:4600 207:3567 208:4285 209:5197 210:5088 211:2877 212:4717 213:3871 214:1036 215:51 216:6876 217:3442 218:1521 219:594 220:2161 221:1213 222:1000 223:2868 End of report