[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CANARIE (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Nov 19 22:30:39 UTC 2024


IPv4 R&E Routing Table Report   22:30 GMT Tue 19 Nov, 2024

  IPv4 BGP Table (R&E) as seen at CANARIE.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/CANARIE/

Analysis Summary
----------------

BGP routing table entries examined:                               19110
    Prefixes after maximum aggregation (per Origin AS):           10786
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11997
    Number of IPv4 prefixes with a valid ROA:                      7239
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                          11848
Total ASes present in the Internet Routing Table:                  2788
    Prefixes per ASN:                                              6.85
Origin-only ASes present in the Internet Routing Table:            2413
Origin ASes announcing only one prefix:                            1064
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              9
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      45858
Number of 32-bit ASNs visible in the Routing Table:                 668
Prefixes from 32-bit ASNs in the Routing Table:                    1768
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:              4
Number of addresses announced to Internet:                    203792081
    Equivalent to 12 /8s, 37 /16s and 158 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2349

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4675
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4672
    Unique aggregates announced from the APNIC address blocks:     2617
APNIC Region origin ASes present in the Internet Routing Table:     557
    APNIC Prefixes per ASN:                                        8.39
APNIC Region origin ASes announcing only one prefix:                235
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               45547880
    Equivalent to 2 /8s, 183 /16s and 1 /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:                      8459
    Total ARIN prefixes after maximum aggregation:                 4951
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8478
    Unique aggregates announced from the ARIN address blocks:      5521
ARIN Region origin ASes present in the Internet Routing Table:     1292
    ARIN Prefixes per ASN:                                         6.56
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     214
Number of ARIN addresses announced to Internet:                93011073
    Equivalent to 5 /8s, 139 /16s and 60 /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:                      3540
    Total RIPE prefixes after maximum aggregation:                 2835
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3532
    Unique aggregates announced from the RIPE address blocks:      2907
RIPE Region origin ASes present in the Internet Routing Table:      666
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                58590096
    Equivalent to 3 /8s, 126 /16s and 3 /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:                    1277
    Total LACNIC prefixes after maximum aggregation:                550
    LACNIC Deaggregation factor:                                   2.32
Prefixes being announced from the LACNIC address blocks:           1274
    Unique aggregates announced from the LACNIC address blocks:     732
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       8.17
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4165976
    Equivalent to 0 /8s, 63 /16s and 145 /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:                   1151
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.73
Prefixes being announced from the AfriNIC address blocks:          1150
    Unique aggregates announced from the AfriNIC address blocks:    216
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     23.00
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2474240
    Equivalent to 0 /8s, 37 /16s and 193 /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         600       2170     465  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         194         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        313     114  AARNET-AS-AP Australian Academic and Rese
  4538         138       4192      72  ERX-CERNET-BKB China Education and Resear
 55824         131         18      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  2697          59          4      34  ERX-ERNET-AS Education and Research Netwo

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         152        507      99  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
   270         114        304      79  AS270, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         186       1767     183  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
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  NIKS, RU

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
  1916          86        178      43  Rede Nacional de Ensino e Pesquisa, BR
 61468          52          5      18  CEDIA, EC
  3596          51          8       4  Universidad Autonoma Metropolitana, MX
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
  4270          48         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
 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/CANARIE/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         545         82       3  KENET-AS, KE
  2018         380        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
327700          15         16       1  MoRENet, MZ
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         600       2170     465  SINET-AS Research Organization of Informa
 36914         545         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         380        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         194         74     145  KREONET-AS-KR KISTI, KR
   786         186       1767     183  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 36914         545          542  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
 55824         131          113  NKN-CORE-NW NKN Core Network, IN
    81         134          101  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/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
     64532  PRIVATE      109.105.121.192/27        2603  NORDUNET, DK
     64532  PRIVATE      109.105.121.224/30        2603  NORDUNET, DK
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     65208  PRIVATE      206.206.156.0/22         11570  AS11570, US
     65208  PRIVATE      216.161.32.0/23          11570  AS11570, US
     65112  PRIVATE      216.165.80.0/21             12  NYU-DOMAIN, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/CANARIE/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        /8:0        /9:1       /10:1       /11:1       /12:11      
/13:18      /14:35      /15:118     /16:2017    /17:424     /18:461     
/19:589     /20:870     /21:886     /22:1447    /23:1546    /24:10529   
/25:31      /26:26      /27:29      /28:23      /29:21      /30:13      
/31:4       /32:9       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         521         545  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
 23024          37          95  OCDE, US
 32440          37          63  LONI, US
  3267          34          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         5:15        6:4         8:2        12:2        14:92     
  23:8        24:3        31:1        35:3        37:8        38:11     
  40:1        41:225      42:11       44:5        45:50       46:4      
  47:1        49:10       50:4        52:1        59:19       60:6      
  61:3        62:7        63:37       64:46       65:5        66:58     
  67:42       68:12       69:19       70:2        71:1        72:7      
  74:54       76:42       77:10       78:3        79:10       80:12     
  81:25       82:7        83:7        84:5        85:45       86:5      
  87:1        89:11       91:41       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:12     
 103:289     104:78      107:2       108:8       109:4       111:20     
 113:2       114:24      116:9       117:61      118:33      119:23     
 121:27      122:8       123:8       124:42      125:5       128:56     
 129:36      130:96      131:61      132:65      133:154     134:109    
 136:198     137:51      138:58      139:5       140:36      141:3      
 142:53      143:26      144:27      145:2       146:137     147:63     
 148:196     149:12      150:40      151:9       152:139     153:14     
 154:39      155:63      156:133     157:26      158:30      159:118    
 160:31      161:16      162:24      163:64      164:11      165:47     
 166:1       167:26      168:120     169:7       170:97      171:1      
 172:2       173:7       175:16      177:6       179:13      180:16     
 181:1       182:11      184:4       185:51      186:3       187:21     
 188:13      189:2       190:18      191:13      192:1490    193:263    
 194:122     195:66      196:146     197:333     198:479     199:281    
 200:151     201:37      202:636     203:439     204:384     205:135    
 206:215     207:228     208:67      209:113     210:218     211:3      
 212:165     213:6       214:8       216:90      217:9       218:21     
 219:5       220:17      222:2       223:15     

End of report


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