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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 31 22:30:38 UTC 2024


IPv4 R&E Routing Table Report   22:30 GMT Tue 31 Dec, 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:                               19742
    Prefixes after maximum aggregation (per Origin AS):           10860
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       11983
    Number of IPv4 prefixes with a valid ROA:                      7484
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                          12237
Total ASes present in the Internet Routing Table:                  2801
    Prefixes per ASN:                                              7.05
Origin-only ASes present in the Internet Routing Table:            2421
Origin ASes announcing only one prefix:                            1072
Transit ASes present in the Internet Routing Table:                 380
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              8
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      45996
Number of 32-bit ASNs visible in the Routing Table:                 676
Prefixes from 32-bit ASNs in the Routing Table:                    1842
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:              3
Number of addresses announced to Internet:                    203533585
    Equivalent to 12 /8s, 33 /16s and 173 /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:        2463

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

Prefixes being announced by APNIC Region ASes:                     4730
    Total APNIC prefixes after maximum aggregation:                2270
    APNIC Deaggregation factor:                                    2.08
Prefixes being announced from the APNIC address blocks:            4729
    Unique aggregates announced from the APNIC address blocks:     2617
APNIC Region origin ASes present in the Internet Routing Table:     561
    APNIC Prefixes per ASN:                                        8.43
APNIC Region origin ASes announcing only one prefix:                240
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:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45549160
    Equivalent to 2 /8s, 183 /16s and 6 /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:                      8847
    Total ARIN prefixes after maximum aggregation:                 5012
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             8865
    Unique aggregates announced from the ARIN address blocks:      5508
ARIN Region origin ASes present in the Internet Routing Table:     1295
    ARIN Prefixes per ASN:                                         6.85
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     215
Number of ARIN addresses announced to Internet:                92851585
    Equivalent to 5 /8s, 136 /16s and 205 /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:                      3554
    Total RIPE prefixes after maximum aggregation:                 2853
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3544
    Unique aggregates announced from the RIPE address blocks:      2921
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     111
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:     158
Number of RIPE addresses announced to Internet:                58572688
    Equivalent to 3 /8s, 125 /16s and 191 /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:                    1475
    Total LACNIC prefixes after maximum aggregation:                545
    LACNIC Deaggregation factor:                                   2.71
Prefixes being announced from the LACNIC address blocks:           1473
    Unique aggregates announced from the LACNIC address blocks:     716
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.38
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4135064
    Equivalent to 0 /8s, 63 /16s and 24 /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:                   1129
    Total AfriNIC prefixes after maximum aggregation:               173
    AfriNIC Deaggregation factor:                                  6.53
Prefixes being announced from the AfriNIC address blocks:          1128
    Unique aggregates announced from the AfriNIC address blocks:    218
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.56
AfriNIC Region origin ASes announcing only one prefix:               29
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2422528
    Equivalent to 0 /8s, 36 /16s and 247 /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         640       2202     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         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         139       4192      71  ERX-CERNET-BKB China Education and Resear
  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
  2152         509        507      99  CENIC-2152, US
  2920         225         44      51  LACOE, US
   668         203        614     172  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         174         16       1  UPRENET, PR
 18558         140         18       5  NETBLK-RCOEK, US
    81         129        519      34  NCREN, US
   270         114        304      79  AS270, US
 23024          97          7      19  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         284       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         131         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          78         29      68  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
  1916         218        178      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          52          5      17  CEDIA, EC
  3596          51          8       4  Universidad Autonoma Metropolitana, MX
  2715          48         99      36  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

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         538         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          12          8       4  NRaE1-AS, NG
327700          12         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          0       5  RwEdNet-AS, RW

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         640       2202     465  SINET-AS Research Organization of Informa
 36914         538         82       3  KENET-AS, KE
  2152         509        507      99  CENIC-2152, US
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         379        319      71  TENET-1, ZA
   680         284       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         225         44      51  LACOE, US
  1916         218        178      43  Rede Nacional de Ensino e Pesquisa, BR
   668         203        614     172  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA

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         538          535  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2152         509          410  CENIC-2152, US
  2018         379          308  TENET-1, ZA
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  1916         218          175  Rede Nacional de Ensino e Pesquisa, BR
  2920         225          174  LACOE, US
  5786         174          173  UPRENET, PR
 18558         140          135  NETBLK-RCOEK, US
 55824         146          126  NKN-CORE-NW NKN Core Network, IN

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
     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
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     /16:2013    /17:429     /18:460     
/19:585     /20:881     /21:899     /22:1489    /23:1630    /24:10953   
/25:44      /26:68      /27:38      /28:21      /29:21      /30:13      
/31:4       /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         514         538  KENET-AS, KE
  8895         126         131  ISU Internet Services Unit ISU, SA
  2152          61         509  CENIC-2152, US
  1916          60         218  Rede Nacional de Ensino e Pesquisa, BR
 23024          37          97  OCDE, US
  3267          34          78  NIKS, RU
 32440          33          58  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES

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        14:93     
  23:8        24:3        31:1        35:3        37:8        38:11     
  41:221      42:11       44:4        45:51       46:4        47:1      
  49:10       50:3        52:1        59:19       60:5        61:3      
  62:8        63:37       64:46       65:5        66:55       67:41     
  68:12       69:18       70:2        71:1        72:7        74:53     
  76:38       77:10       78:3        79:10       80:12       81:25     
  82:7        83:7        84:5        85:45       86:5        87:1      
  89:11       91:42       92:2        93:13       94:2        95:2      
  96:5        97:1        98:2       101:1       102:12      103:293    
 104:79      107:2       108:8       109:5       111:21      113:1      
 114:24      116:9       117:61      118:33      119:23      121:27     
 122:8       123:8       124:42      125:5       128:55      129:36     
 130:97      131:65      132:65      133:155     134:109     136:176    
 137:98      138:58      139:5       140:33      141:3       142:38     
 143:25      144:27      145:2       146:136     147:63      148:196    
 149:13      150:70      151:9       152:131     153:14      154:41     
 155:64      156:131     157:26      158:30      159:117     160:33     
 161:17      162:24      163:64      164:11      165:49      166:1      
 167:26      168:119     169:7       170:96      171:1       172:2      
 173:7       175:16      177:6       179:13      180:16      181:1      
 182:11      184:2       185:52      186:3       187:22      188:14     
 189:3       190:34      191:13      192:1494    193:262     194:121    
 195:68      196:145     197:324     198:554     199:281     200:265    
 201:37      202:639     203:437     204:401     205:175     206:215    
 207:308     208:67      209:162     210:219     211:3       212:164    
 213:6       214:8       216:93      217:12      218:23      219:6      
 220:16      222:2       223:15     

End of report


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