[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Dec 17 22:40:49 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Tue 17 Dec, 2024
IPv4 BGP Table (R&E) as seen at RouteViews PacWave.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PacWave/
Analysis Summary
----------------
BGP routing table entries examined: 31818
Prefixes after maximum aggregation (per Origin AS): 15516
Deaggregation factor: 2.05
Unique aggregates announced (without unneeded subnets): 18503
Total ASes present in the Internet Routing Table: 2843
Prefixes per ASN: 11.19
Origin-only ASes present in the Internet Routing Table: 2462
Origin ASes announcing only one prefix: 1094
Transit ASes present in the Internet Routing Table: 381
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 45980
Number of 32-bit ASNs visible in the Routing Table: 693
Prefixes from 32-bit ASNs in the Routing Table: 4901
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 345724160
Equivalent to 20 /8s, 155 /16s and 85 /24s
Percentage of available address space announced: 9.3
Percentage of allocated address space announced: 9.3
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: 4088
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4657
Total APNIC prefixes after maximum aggregation: 2274
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4869
Unique aggregates announced from the APNIC address blocks: 2847
APNIC Region origin ASes present in the Internet Routing Table: 563
APNIC Prefixes per ASN: 8.65
APNIC Region origin ASes announcing only one prefix: 240
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 47247104
Equivalent to 2 /8s, 208 /16s and 239 /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: 21160
Total ARIN prefixes after maximum aggregation: 9601
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 20374
Unique aggregates announced from the ARIN address blocks: 11143
ARIN Region origin ASes present in the Internet Routing Table: 1341
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 468
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 227
Number of ARIN addresses announced to Internet: 209145088
Equivalent to 12 /8s, 119 /16s and 77 /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: 3658
Total RIPE prefixes after maximum aggregation: 2932
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 4214
Unique aggregates announced from the RIPE address blocks: 3574
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 6.28
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 82064896
Equivalent to 4 /8s, 228 /16s and 54 /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: 1366
Total LACNIC prefixes after maximum aggregation: 535
LACNIC Deaggregation factor: 2.55
Prefixes being announced from the LACNIC address blocks: 1371
Unique aggregates announced from the LACNIC address blocks: 706
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 8.85
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4716800
Equivalent to 0 /8s, 71 /16s and 249 /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: 973
Total AfriNIC prefixes after maximum aggregation: 170
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 980
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 19.60
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 32
Number of AfriNIC addresses announced to Internet: 2545664
Equivalent to 0 /8s, 38 /16s and 216 /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
2907 592 2200 462 SINET-AS Research Organization of Informa
7497 445 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 313 116 AARNET-AS-AP Australian Academic and Rese
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 138 4192 71 ERX-CERNET-BKB China Education and Resear
4621 69 37 10 UNINET-AS-AP UNINET-, TH
4762 64 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5119 4906 2428 AMAZON-02, US
396982 2891 3656 437 GOOGLE-CLOUD-PLATFORM, US
714 1157 4392 5 APPLE-ENGINEERING, US
14618 1007 4483 759 AMAZON-AES, US
15169 922 2011 69 GOOGLE, US
8075 709 16016 597 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 513 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
668 205 646 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
8987 82 227 59 AMAZON EXPANSION, IE
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 158 178 41 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 54 5 19 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 378 319 71 TENET-1, ZA
36914 376 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 16 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37074 8 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5119 4906 2428 AMAZON-02, US
396982 2891 3656 437 GOOGLE-CLOUD-PLATFORM, US
714 1157 4392 5 APPLE-ENGINEERING, US
14618 1007 4483 759 AMAZON-AES, US
15169 922 2011 69 GOOGLE, US
8075 709 16016 597 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 592 2200 462 SINET-AS Research Organization of Informa
2152 513 507 99 CENIC-2152, US
7497 445 180 24 CSTNET-AS-AP Computer Network Information
2018 378 319 71 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
396982 2891 2454 GOOGLE-CLOUD-PLATFORM, US
714 1157 1152 APPLE-ENGINEERING, US
15169 922 853 GOOGLE, US
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2152 513 414 CENIC-2152, US
36914 376 373 KENET-AS, KE
2018 378 307 TENET-1, ZA
14618 1007 248 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 AS11570, US
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65208 PRIVATE 206.206.156.0/22 11570 AS11570, US
65208 PRIVATE 216.161.32.0/23 11570 AS11570, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 101 WASH-NSF-AS, US
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 101 WASH-NSF-AS, US
103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23 Transit: 15169 GOOGLE, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.225.212.0/24 Origin: 14618 AMAZON-AES, US
192.225.212.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/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 /8:1 /9:3 /10:3 /11:11 /12:38
/13:52 /14:117 /15:235 /16:2424 /17:629 /18:597
/19:865 /20:3036 /21:1576 /22:2288 /23:2462 /24:17481
/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
16509 866 5119 AMAZON-02, US
36914 352 376 KENET-AS, KE
14618 315 1007 AMAZON-AES, US
15169 268 922 GOOGLE, US
396982 263 2891 GOOGLE-CLOUD-PLATFORM, US
8075 127 709 MICROSOFT-CORP-MSN-AS-BLOCK, US
8895 127 132 ISU Internet Services Unit ISU, SA
2152 62 513 CENIC-2152, US
23024 37 97 OCDE, US
32440 36 61 LONI, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:260 4:2 5:24 6:4
8:28 12:2 13:177 14:93 15:136 16:126
17:307 18:322 23:125 24:3 31:6 34:23
35:85 36:1 37:8 38:11 40:5 41:165
42:11 43:2 44:6 45:86 46:14 47:1
49:10 50:13 52:860 54:187 57:10 58:1
59:19 60:5 61:3 62:15 63:46 64:184
65:49 66:119 67:76 68:27 69:68 70:38
71:37 72:20 74:160 75:1 76:48 77:12
78:3 79:10 80:13 81:26 82:7 83:7
84:9 85:51 86:5 87:5 88:1 89:23
91:60 92:9 93:45 94:7 95:3 96:6
97:1 98:15 99:78 101:2 102:16 103:355
104:256 107:42 108:169 109:8 111:22 113:5
114:32 115:1 116:14 117:66 118:33 119:23
121:28 122:11 123:8 124:41 125:5 128:57
129:41 130:169 131:81 132:62 133:155 134:111
135:7 136:312 137:121 138:72 139:22 140:50
141:15 142:334 143:41 144:74 145:8 146:140
147:82 148:206 149:20 150:48 151:51 152:154
153:14 154:40 155:109 156:136 157:40 158:48
159:162 160:39 161:54 162:113 163:76 164:29
165:78 166:7 167:40 168:179 169:15 170:205
171:1 172:125 173:126 174:2 175:16 176:6
177:6 178:3 179:14 180:16 181:1 182:11
184:10 185:149 186:3 187:22 188:20 189:3
190:18 191:13 192:1694 193:301 194:133 195:85
196:145 197:220 198:632 199:405 200:268 201:37
202:661 203:464 204:458 205:216 206:252 207:353
208:169 209:269 210:219 211:3 212:177 213:24
214:8 216:261 217:17 218:23 219:6 220:16
222:2 223:15
End of report
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