Routing Table Report 09:00 +10GMT Wed 01 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/singapore/
Analysis Summary
----------------
BGP routing table entries examined: 784678
Prefixes after maximum aggregation (per Origin AS): 302864
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 391488
Total ASes present in the Internet Routing Table: 67220
Prefixes per ASN: 11.67
Origin-only ASes present in the Internet Routing Table: 57877
Origin ASes announcing only one prefix: 24228
Transit ASes present in the Internet Routing Table: 9343
Transit-only ASes present in the Internet Routing Table: 292
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1116
Number of instances of unregistered ASNs: 1130
Number of 32-bit ASNs allocated by the RIRs: 31147
Number of 32-bit ASNs visible in the Routing Table: 25568
Prefixes from 32-bit ASNs in the Routing Table: 117267
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1114
Number of addresses announced to Internet: 2852629760
Equivalent to 170 /8s, 7 /16s and 173 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 262533
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 202659
Total APNIC prefixes after maximum aggregation: 60804
APNIC Deaggregation factor: 3.33
Prefixes being announced from the APNIC address blocks: 195621
Unique aggregates announced from the APNIC address blocks: 85231
APNIC Region origin ASes present in the Internet Routing Table: 10385
APNIC Prefixes per ASN: 18.84
APNIC Region origin ASes announcing only one prefix: 2909
APNIC Region transit ASes present in the Internet Routing Table: 1512
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5510
Number of APNIC addresses announced to Internet: 765778944
Equivalent to 45 /8s, 164 /16s and 220 /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, 131072-141625
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: 233454
Total ARIN prefixes after maximum aggregation: 107391
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 230820
Unique aggregates announced from the ARIN address blocks: 117880
ARIN Region origin ASes present in the Internet Routing Table: 18295
ARIN Prefixes per ASN: 12.62
ARIN Region origin ASes announcing only one prefix: 6692
ARIN Region transit ASes present in the Internet Routing Table: 1837
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3177
Number of ARIN addresses announced to Internet: 1078565376
Equivalent to 64 /8s, 73 /16s and 154 /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, 393216-399260
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: 221227
Total RIPE prefixes after maximum aggregation: 105044
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 218103
Unique aggregates announced from the RIPE address blocks: 131409
RIPE Region origin ASes present in the Internet Routing Table: 26890
RIPE Prefixes per ASN: 8.11
RIPE Region origin ASes announcing only one prefix: 11723
RIPE Region transit ASes present in the Internet Routing Table: 3774
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9008
Number of RIPE addresses announced to Internet: 724464896
Equivalent to 43 /8s, 46 /16s and 117 /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
196608-210331
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: 103991
Total LACNIC prefixes after maximum aggregation: 24224
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 105276
Unique aggregates announced from the LACNIC address blocks: 46107
LACNIC Region origin ASes present in the Internet Routing Table: 9628
LACNIC Prefixes per ASN: 10.93
LACNIC Region origin ASes announcing only one prefix: 2427
LACNIC Region transit ASes present in the Internet Routing Table: 1809
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7208
Number of LACNIC addresses announced to Internet: 173905664
Equivalent to 10 /8s, 93 /16s and 151 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 22231
Total AfriNIC prefixes after maximum aggregation: 4684
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 33744
Unique aggregates announced from the AfriNIC address blocks: 9879
AfriNIC Region origin ASes present in the Internet Routing Table: 1376
AfriNIC Prefixes per ASN: 24.52
AfriNIC Region origin ASes announcing only one prefix: 477
AfriNIC Region transit ASes present in the Internet Routing Table: 262
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 665
Number of AfriNIC addresses announced to Internet: 109329152
Equivalent to 6 /8s, 132 /16s and 59 /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
7545 4868 644 582 UNALLOCATED
7552 3405 1330 22 UNALLOCATED
45899 3140 1799 106 UNALLOCATED
7713 2700 812 506 UNALLOCATED
9808 2556 9043 61 UNALLOCATED
9498 2252 434 220 UNALLOCATED
4755 2133 441 192 UNALLOCATED
4766 2098 11102 555 UNALLOCATED
9394 2037 4898 22 UNALLOCATED
9829 1900 1324 42 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11492 4081 272 636 UNALLOCATED
7155 4034 280 28 UNALLOCATED
16509 3956 7824 1743 UNALLOCATED
22773 3519 2969 152 UNALLOCATED
6327 3362 1324 91 UNALLOCATED
16625 2991 1568 2135 UNALLOCATED
209 2368 5078 538 UNALLOCATED
30036 2338 360 107 UNALLOCATED
5650 2302 2981 1623 UNALLOCATED
26484 2196 137 177 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 5875 1603 132 UNALLOCATED
39891 3583 199 26 UNALLOCATED
8551 3146 379 44 UNALLOCATED
20940 2938 462 2006 UNALLOCATED
12389 2438 2250 727 UNALLOCATED
9009 2099 221 1139 UNALLOCATED
34984 2069 349 562 UNALLOCATED
13188 1605 100 43 UNALLOCATED
9121 1534 1691 18 UNALLOCATED
25019 1183 986 108 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6355 3306 602 UNALLOCATED
10620 3356 530 516 UNALLOCATED
11830 2671 369 63 UNALLOCATED
6503 1654 327 395 UNALLOCATED
7303 1555 1031 264 UNALLOCATED
28573 1351 2240 210 UNALLOCATED
13999 1251 476 330 UNALLOCATED
6147 1141 379 39 UNALLOCATED
3816 1093 568 152 UNALLOCATED
11172 957 112 72 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1479 393 22 UNALLOCATED
24835 1112 574 25 UNALLOCATED
36992 1082 1537 74 UNALLOCATED
36903 890 467 88 UNALLOCATED
29571 592 68 12 UNALLOCATED
6713 591 1863 34 UNALLOCATED
37342 482 32 1 UNALLOCATED
36935 400 522 42 UNALLOCATED
23889 382 231 15 UNALLOCATED
15399 355 45 10 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6355 3306 602 UNALLOCATED
12479 5875 1603 132 UNALLOCATED
7545 4868 644 582 UNALLOCATED
11492 4081 272 636 UNALLOCATED
7155 4034 280 28 UNALLOCATED
16509 3956 7824 1743 UNALLOCATED
39891 3583 199 26 UNALLOCATED
22773 3519 2969 152 UNALLOCATED
7552 3405 1330 22 UNALLOCATED
6327 3362 1324 91 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5875 5743 UNALLOCATED
7545 4868 4286 UNALLOCATED
7155 4034 4006 UNALLOCATED
39891 3583 3557 UNALLOCATED
11492 4081 3445 UNALLOCATED
7552 3405 3383 UNALLOCATED
22773 3519 3367 UNALLOCATED
6327 3362 3271 UNALLOCATED
8551 3146 3102 UNALLOCATED
45899 3140 3034 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/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 UNALLOCATED
393266 UNALLOCATED 8.23.52.0/24 174 UNALLOCATED
62485 UNALLOCATED 8.23.229.0/24 3356 UNALLOCATED
32985 UNALLOCATED 8.28.31.0/24 3356 UNALLOCATED
394936 UNALLOCATED 8.33.224.0/24 22442 UNALLOCATED
14109 UNALLOCATED 8.38.252.0/24 3356 UNALLOCATED
23061 UNALLOCATED 8.39.119.0/24 3356 UNALLOCATED
395438 UNALLOCATED 8.42.206.0/24 3356 UNALLOCATED
40544 UNALLOCATED 12.0.33.0/24 6461 UNALLOCATED
46505 UNALLOCATED 12.7.131.0/24 7018 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.137.192.0/24 Origin: 31798 UNALLOCATED
Transit: 174 UNALLOCATED
27.100.7.0/24 Origin: 56096 UNALLOCATED
Transit: 45455 UNALLOCATED
27.126.156.0/23 Origin: 55827 UNALLOCATED
Transit: 9930 UNALLOCATED
27.126.156.0/22 Origin: 55827 UNALLOCATED
Transit: 9930 UNALLOCATED
27.126.158.0/23 Origin: 55827 UNALLOCATED
Transit: 9930 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/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 /8:10 /9:11 /10:37 /11:96 /12:281
/13:576 /14:1159 /15:1905 /16:13322 /17:8048 /18:13591
/19:25235 /20:38912 /21:46777 /22:98292 /23:80554 /24:455872
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4868 5875 UNALLOCATED
11492 3204 4081 UNALLOCATED
6327 3152 3362 UNALLOCATED
7155 3125 4034 UNALLOCATED
22773 2737 3519 UNALLOCATED
39891 2737 3583 UNALLOCATED
8551 2606 3146 UNALLOCATED
8151 2161 6355 UNALLOCATED
30036 2085 2338 UNALLOCATED
11830 2018 2671 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/singapore/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1540 2:1078 3:30 4:17 5:3292 6:51
8:1353 9:1 11:1 12:1795 13:501 14:2185
15:72 16:9 17:295 18:80 20:76 23:3430
24:2247 25:2 27:2504 31:2144 32:92 34:3
35:32 36:932 37:3257 38:1930 39:325 40:119
41:3475 42:567 43:2076 44:193 45:13772 46:3632
47:224 49:1401 50:1216 51:94 52:1134 54:269
55:670 56:6 57:46 58:1891 59:1049 60:668
61:2185 62:2239 63:1925 64:5044 65:2240 66:4856
67:2873 68:1223 69:3806 70:1425 71:675 72:2750
74:2589 75:1434 76:669 77:1835 78:1845 79:2382
80:1859 81:1553 82:1262 83:1038 84:1182 85:2422
86:530 87:1682 88:1046 89:2689 90:292 91:6919
92:1466 93:2443 94:2622 95:3375 96:1033 97:339
98:967 99:961 100:71 101:968 102:864 103:23102
104:3389 105:424 106:865 107:1946 108:689 109:3652
110:1737 111:2025 112:1595 113:1286 114:1325 115:1780
116:1734 117:2078 118:2114 119:1531 120:780 121:979
122:2362 123:1879 124:1467 125:1976 128:1277 129:880
130:619 131:1836 132:747 133:301 134:1206 135:264
136:599 137:831 138:2158 139:982 140:609 141:924
142:883 143:1214 144:980 145:328 146:1355 147:1003
148:2066 149:1155 150:812 151:1271 152:1466 153:376
154:4723 155:914 156:3406 157:1096 158:794 159:1941
160:1906 161:1020 162:3007 163:821 164:1454 165:1256
166:535 167:1612 168:3673 169:509 170:4278 171:755
172:1905 173:2376 174:1030 175:1001 176:2681 177:4299
178:2677 179:1493 180:2101 181:2429 182:2947 183:1112
184:2411 185:16193 186:3801 187:2643 188:3183 189:2220
190:8460 191:1457 192:10285 193:7382 194:6072 195:4289
196:3537 197:1911 198:6046 199:5906 200:7102 201:5155
202:9979 203:9926 204:4414 205:3085 206:3143 207:3221
208:4019 209:4380 210:3704 211:1860 212:3213 213:3029
214:1182 215:55 216:5889 217:2366 218:848 219:405
220:1932 221:895 222:814 223:1498
End of report
