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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 30 22:10:40 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sun 30 Jul, 2023

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

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

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

BGP routing table entries examined:                               25212
    Prefixes after maximum aggregation (per Origin AS):           12404
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14014
    Number of IPv4 prefixes with a valid ROA:                     11567
    Number of IPv4 prefixes with an invalid ROA:                    192
    Number of IPv4 prefixes with no ROA:                          13453
Total ASes present in the Internet Routing Table:                  2744
    Prefixes per ASN:                                              9.19
Origin-only ASes present in the Internet Routing Table:            2354
Origin ASes announcing only one prefix:                            1032
Transit ASes present in the Internet Routing Table:                 390
Transit-only ASes present in the Internet Routing Table:             76
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
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:                      42357
Number of 32-bit ASNs visible in the Routing Table:                 626
Prefixes from 32-bit ASNs in the Routing Table:                    4612
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:              5
Number of addresses announced to Internet:                    243269360
    Equivalent to 14 /8s, 127 /16s and 254 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3351

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

Prefixes being announced by APNIC Region ASes:                     4659
    Total APNIC prefixes after maximum aggregation:                2265
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4702
    Unique aggregates announced from the APNIC address blocks:     2625
APNIC Region origin ASes present in the Internet Routing Table:     542
    APNIC Prefixes per ASN:                                        8.68
APNIC Region origin ASes announcing only one prefix:                226
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        5.8
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    202
Number of APNIC addresses announced to Internet:               45775424
    Equivalent to 2 /8s, 186 /16s and 122 /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:                     14320
    Total ARIN prefixes after maximum aggregation:                 6405
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:            14108
    Unique aggregates announced from the ARIN address blocks:      7177
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                        11.51
ARIN Region origin ASes announcing only one prefix:                 423
ARIN Region transit ASes present in the Internet Routing Table:     163
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     191
Number of ARIN addresses announced to Internet:               132588833
    Equivalent to 7 /8s, 231 /16s and 37 /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, 393216-401308
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:                      3623
    Total RIPE prefixes after maximum aggregation:                 2873
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3787
    Unique aggregates announced from the RIPE address blocks:      3104
RIPE Region origin ASes present in the Internet Routing Table:      685
    RIPE Prefixes per ASN:                                         5.53
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                58000128
    Equivalent to 3 /8s, 117 /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
                       196608-213403
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:                    1568
    Total LACNIC prefixes after maximum aggregation:                689
    LACNIC Deaggregation factor:                                   2.28
Prefixes being announced from the LACNIC address blocks:           1572
    Unique aggregates announced from the LACNIC address blocks:     882
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       9.59
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    29
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:    66
Number of LACNIC addresses announced to Internet:               4245647
    Equivalent to 0 /8s, 64 /16s and 200 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                   1038
    Total AfriNIC prefixes after maximum aggregation:               168
    AfriNIC Deaggregation factor:                                  6.18
Prefixes being announced from the AfriNIC address blocks:          1038
    Unique aggregates announced from the AfriNIC address blocks:    221
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     21.62
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2658048
    Equivalent to 0 /8s, 40 /16s and 143 /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
  2907         608       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         123         18      15  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2678       3595     384  GOOGLE-CLOUD-PLATFORM, US
 16509        2140       1686     844  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         798       4013     594  AMAZON-AES, US
   376         202        178     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         143        507      92  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         163         24       5  ISU Internet Services Unit ISU, SA
   559         111        533     103  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         258        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         126          0      96  Telconet S.A, EC
 11340         114         25      51  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          40         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
  3596          35          4       3  Universidad Autonoma Metropolitana, MX
263683          35         10      23  Universidad de Costa Rica, CR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         362        319      71  TENET-1, ZA
 36914         262         82       3  KENET-AS, KE
327687         160         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2678       3595     384  GOOGLE-CLOUD-PLATFORM, US
 16509        2140       1686     844  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         798       4013     594  AMAZON-AES, US
  2907         608       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  2018         362        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         262         82       3  KENET-AS, KE
  1916         258        176      43  Rede Nacional de Ensino e Pesquisa, BR

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

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

   ASN  No of nets  Net Savings  Description
 16509        2140         1296  AMAZON-02, US
 15169         826          764  GOOGLE, US
  7497         434          411  CSTNET-AS-AP Computer Network Information Cente
  2018         362          291  TENET-1, ZA
 36914         262          259  KENET-AS, KE
  1916         258          215  Rede Nacional de Ensino e Pesquisa, BR
 14618         798          204  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         163          158  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
193.37.39.0/24       Origin:     16509  AMAZON-02, US
193.37.39.0/24      Transit:     27750  Cooperacion Latino Americana de Redes Av
193.84.26.0/24       Origin:     16509  AMAZON-02, US
193.84.26.0/24      Transit:     27750  Cooperacion Latino Americana de Redes Av
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /10:2       /11:4       /12:20      
/13:34      /14:81      /15:161     /16:2086    /17:501     /18:477     
/19:728     /20:2775    /21:1019    /22:1634    /23:1702    /24:13545   
/25:94      /26:72      /27:80      /28:21      /29:86      /30:41      
/31:35      /32:13      

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

   ASN  No of nets  Total ann.  Description
 16509         297        2140  AMAZON-02, US
 15169         274         826  GOOGLE, US
 14618         259         798  AMAZON-AES, US
 36914         250         262  KENET-AS, KE
396982         197        2678  GOOGLE-CLOUD-PLATFORM, US
  8895         158         163  ISU Internet Services Unit ISU, SA
 27947          99         126  Telconet S.A, EC
 32440          80         109  LONI, US
 23024          52         113  OCDE, US
  1916          39         258  Rede Nacional de Ensino e Pesquisa, BR

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

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

   1:2         3:78        5:20        8:28       12:1        13:45     
  14:89       15:69       16:112      18:57       23:114      24:3      
  31:10       34:20       35:47       38:9        40:1        41:120    
  42:10       43:1        44:8        45:58       46:11       47:1      
  49:9        50:2        52:558      54:228      58:1        59:19     
  60:4        61:3        62:11       63:36       64:162      65:13     
  66:66       67:60       68:10       69:36       70:44       71:3      
  72:13       74:143      76:46       77:11       78:3        79:10     
  80:14       81:26       82:7        83:6        84:10       85:45     
  86:10       87:2        88:1        89:18       91:57       92:4      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:3       102:31      103:279     104:216     107:33     
 108:102     109:12      111:16      114:31      115:1       116:8      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:38      125:4       128:87      129:46      130:141     131:58     
 132:60      133:155     134:105     135:3       136:293     137:145    
 138:10      139:17      140:36      141:4       142:275     143:21     
 144:39      145:3       146:145     147:67      148:201     149:16     
 150:43      151:14      152:139     153:14      154:31      155:73     
 156:69      157:28      158:43      159:148     160:29      161:36     
 162:86      163:84      164:20      165:50      166:1       167:22     
 168:142     169:12      170:118     171:1       172:114     173:113    
 174:2       175:27      176:11      177:5       178:1       179:9      
 180:15      182:1       184:3       185:102     186:3       187:18     
 188:19      189:3       190:5       191:13      192:1476    193:308    
 194:125     195:86      196:203     197:167     198:485     199:306    
 200:280     201:36      202:633     203:431     204:370     205:145    
 206:202     207:189     208:129     209:162     210:185     211:3      
 212:167     213:15      216:166     217:12      218:22      219:6      
 220:16      222:2       223:14     

End of report


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