Routing Table Report 04:00 +10GMT Wed 01 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 804086
Prefixes after maximum aggregation (per Origin AS): 305397
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 392429
Total ASes present in the Internet Routing Table: 67558
Prefixes per ASN: 11.90
Origin-only ASes present in the Internet Routing Table: 57992
Origin ASes announcing only one prefix: 24251
Transit ASes present in the Internet Routing Table: 9566
Transit-only ASes present in the Internet Routing Table: 291
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1143
Number of instances of unregistered ASNs: 1143
Number of 32-bit ASNs allocated by the RIRs: 31147
Number of 32-bit ASNs visible in the Routing Table: 25677
Prefixes from 32-bit ASNs in the Routing Table: 118557
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1125
Number of addresses announced to Internet: 2854345600
Equivalent to 170 /8s, 33 /16s and 219 /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: 270291
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212361
Total APNIC prefixes after maximum aggregation: 61810
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 205239
Unique aggregates announced from the APNIC address blocks: 85595
APNIC Region origin ASes present in the Internet Routing Table: 10485
APNIC Prefixes per ASN: 19.57
APNIC Region origin ASes announcing only one prefix: 2907
APNIC Region transit ASes present in the Internet Routing Table: 1556
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5552
Number of APNIC addresses announced to Internet: 766584576
Equivalent to 45 /8s, 177 /16s and 39 /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: 235382
Total ARIN prefixes after maximum aggregation: 108178
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 232657
Unique aggregates announced from the ARIN address blocks: 118070
ARIN Region origin ASes present in the Internet Routing Table: 18418
ARIN Prefixes per ASN: 12.63
ARIN Region origin ASes announcing only one prefix: 6721
ARIN Region transit ASes present in the Internet Routing Table: 1915
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3197
Number of ARIN addresses announced to Internet: 1078944512
Equivalent to 64 /8s, 79 /16s and 99 /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: 227837
Total RIPE prefixes after maximum aggregation: 105498
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 224861
Unique aggregates announced from the RIPE address blocks: 131706
RIPE Region origin ASes present in the Internet Routing Table: 26972
RIPE Prefixes per ASN: 8.34
RIPE Region origin ASes announcing only one prefix: 11736
RIPE Region transit ASes present in the Internet Routing Table: 3846
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9051
Number of RIPE addresses announced to Internet: 724671872
Equivalent to 43 /8s, 49 /16s and 157 /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: 105025
Total LACNIC prefixes after maximum aggregation: 24481
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 106345
Unique aggregates announced from the LACNIC address blocks: 46151
LACNIC Region origin ASes present in the Internet Routing Table: 9638
LACNIC Prefixes per ASN: 11.03
LACNIC Region origin ASes announcing only one prefix: 2410
LACNIC Region transit ASes present in the Internet Routing Table: 1822
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7211
Number of LACNIC addresses announced to Internet: 174179840
Equivalent to 10 /8s, 97 /16s and 198 /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: 22337
Total AfriNIC prefixes after maximum aggregation: 4697
AfriNIC Deaggregation factor: 4.76
Prefixes being announced from the AfriNIC address blocks: 33859
Unique aggregates announced from the AfriNIC address blocks: 9920
AfriNIC Region origin ASes present in the Internet Routing Table: 1378
AfriNIC Prefixes per ASN: 24.57
AfriNIC Region origin ASes announcing only one prefix: 477
AfriNIC Region transit ASes present in the Internet Routing Table: 270
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 666
Number of AfriNIC addresses announced to Internet: 109377024
Equivalent to 6 /8s, 132 /16s and 246 /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 5373 675 623 UNALLOCATED
4538 4622 4192 73 UNALLOCATED
7552 3407 1331 24 UNALLOCATED
45899 3140 1799 106 UNALLOCATED
7713 2706 831 504 UNALLOCATED
9808 2563 9043 61 UNALLOCATED
4766 2286 11102 559 UNALLOCATED
9498 2257 434 221 UNALLOCATED
4755 2134 441 192 UNALLOCATED
9394 2039 4898 24 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/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 3955 7824 1740 UNALLOCATED
22773 3537 2969 152 UNALLOCATED
6327 3363 1324 92 UNALLOCATED
16625 2991 1568 2135 UNALLOCATED
209 2385 5076 534 UNALLOCATED
30036 2336 360 107 UNALLOCATED
5650 2302 2981 1623 UNALLOCATED
26484 2197 137 173 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 5875 1603 132 UNALLOCATED
31334 4355 484 13 UNALLOCATED
39891 3583 199 26 UNALLOCATED
8551 3146 379 45 UNALLOCATED
20940 2949 462 2019 UNALLOCATED
12389 2496 2250 728 UNALLOCATED
9009 2100 221 1140 UNALLOCATED
34984 2069 349 563 UNALLOCATED
9121 1859 1691 18 UNALLOCATED
13188 1605 100 43 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6360 3307 601 UNALLOCATED
10620 3356 530 516 UNALLOCATED
11830 2671 369 63 UNALLOCATED
6503 1651 327 395 UNALLOCATED
7303 1556 1032 260 UNALLOCATED
28573 1360 2240 210 UNALLOCATED
13999 1259 476 326 UNALLOCATED
6147 1140 379 39 UNALLOCATED
3816 1093 567 151 UNALLOCATED
11172 956 112 71 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1480 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 356 45 10 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6360 3307 601 UNALLOCATED
12479 5875 1603 132 UNALLOCATED
7545 5373 675 623 UNALLOCATED
4538 4622 4192 73 UNALLOCATED
31334 4355 484 13 UNALLOCATED
11492 4081 272 636 UNALLOCATED
7155 4034 280 28 UNALLOCATED
16509 3955 7824 1740 UNALLOCATED
39891 3583 199 26 UNALLOCATED
22773 3537 2969 152 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5875 5743 UNALLOCATED
7545 5373 4750 UNALLOCATED
4538 4622 4549 UNALLOCATED
31334 4355 4342 UNALLOCATED
7155 4034 4006 UNALLOCATED
39891 3583 3557 UNALLOCATED
11492 4081 3445 UNALLOCATED
22773 3537 3385 UNALLOCATED
7552 3407 3383 UNALLOCATED
6327 3363 3271 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/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 8.33.224.0/24 174 UNALLOCATED
14109 UNALLOCATED 8.38.252.0/24 3356 UNALLOCATED
23061 UNALLOCATED 8.39.119.0/24 3356 UNALLOCATED
26584 UNALLOCATED 8.42.62.0/23 209 UNALLOCATED
395438 UNALLOCATED 8.42.206.0/24 3356 UNALLOCATED
40544 UNALLOCATED 12.0.33.0/24 6461 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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
27.126.156.0/22 Origin: 55827 UNALLOCATED
Transit: 9930 UNALLOCATED
27.126.156.0/23 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/current/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 /10:38 /11:98 /12:285
/13:578 /14:1164 /15:1914 /16:13359 /17:8153 /18:13848
/19:25814 /20:40422 /21:47853 /22:99509 /23:81943 /24:467803
/25:1284 /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
31334 4200 4355 UNALLOCATED
11492 3204 4081 UNALLOCATED
6327 3152 3363 UNALLOCATED
7155 3125 4034 UNALLOCATED
22773 2754 3537 UNALLOCATED
39891 2737 3583 UNALLOCATED
8551 2605 3146 UNALLOCATED
8151 2162 6360 UNALLOCATED
30036 2083 2336 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1583 2:1086 3:30 4:19 5:3312 6:51
8:1395 9:1 11:1 12:1795 13:501 14:2275
15:74 16:9 17:295 18:80 20:78 23:3446
24:2288 25:4 27:2547 31:3091 32:105 34:3
35:38 36:933 37:3286 38:1941 39:326 40:126
41:3524 42:705 43:2114 44:193 45:13931 46:3691
47:280 49:1434 50:1217 51:94 52:1134 54:269
55:670 56:6 57:48 58:2029 59:1150 60:711
61:2231 62:2244 63:1943 64:5063 65:2301 66:4885
67:2875 68:1225 69:3828 70:1432 71:677 72:2763
74:2607 75:1438 76:671 77:2619 78:1937 79:2386
80:1894 81:1583 82:1275 83:1158 84:1205 85:2501
86:544 87:1711 88:1092 89:2702 90:314 91:7731
92:1489 93:2461 94:2646 95:3872 96:1040 97:339
98:970 99:961 100:87 101:1117 102:867 103:23408
104:3451 105:424 106:868 107:1948 108:708 109:3660
110:1809 111:2064 112:1602 113:1401 114:1546 115:1871
116:1799 117:2089 118:2163 119:1700 120:838 121:1043
122:2426 123:1985 124:1556 125:2040 128:1339 129:891
130:631 131:1841 132:763 133:301 134:1228 135:276
136:608 137:844 138:2173 139:991 140:615 141:927
142:895 143:1211 144:982 145:331 146:1481 147:1025
148:2065 149:1168 150:814 151:1287 152:1488 153:376
154:4730 155:915 156:3402 157:1101 158:799 159:1948
160:1907 161:1024 162:3043 163:825 164:1460 165:1259
166:545 167:1631 168:3704 169:514 170:4310 171:770
172:1908 173:2408 174:1031 175:1019 176:2704 177:4306
178:2982 179:1492 180:2150 181:2450 182:3109 183:1127
184:2414 185:16300 186:3785 187:2628 188:4134 189:2207
190:8636 191:1457 192:10318 193:7434 194:6095 195:4325
196:3574 197:1930 198:6107 199:5947 200:7166 201:5193
202:10510 203:10142 204:4518 205:3097 206:3230 207:3296
208:4052 209:4425 210:4015 211:1987 212:3264 213:3060
214:1184 215:55 216:5928 217:2387 218:876 219:608
220:1989 221:904 222:993 223:1507
End of report