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

REN Routing Table Report cscora at frr.nsrc.org
Mon Aug 7 22:10:40 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Mon 07 Aug, 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:                               25211
    Prefixes after maximum aggregation (per Origin AS):           12403
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14029
    Number of IPv4 prefixes with a valid ROA:                     11587
    Number of IPv4 prefixes with an invalid ROA:                    194
    Number of IPv4 prefixes with no ROA:                          13430
Total ASes present in the Internet Routing Table:                  2740
    Prefixes per ASN:                                              9.20
Origin-only ASes present in the Internet Routing Table:            2352
Origin ASes announcing only one prefix:                            1033
Transit ASes present in the Internet Routing Table:                 388
Transit-only ASes present in the Internet Routing Table:             77
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:                                      16
    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:                      42395
Number of 32-bit ASNs visible in the Routing Table:                 630
Prefixes from 32-bit ASNs in the Routing Table:                    4634
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:                    243013360
    Equivalent to 14 /8s, 124 /16s and 22 /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:        3355

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

Prefixes being announced by APNIC Region ASes:                     4660
    Total APNIC prefixes after maximum aggregation:                2276
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4704
    Unique aggregates announced from the APNIC address blocks:     2639
APNIC Region origin ASes present in the Internet Routing Table:     540
    APNIC Prefixes per ASN:                                        8.71
APNIC Region origin ASes announcing only one prefix:                224
APNIC Region transit ASes present in the Internet Routing Table:     58
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:               45778752
    Equivalent to 2 /8s, 186 /16s and 135 /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:                     14300
    Total ARIN prefixes after maximum aggregation:                 6414
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14088
    Unique aggregates announced from the ARIN address blocks:      7176
ARIN Region origin ASes present in the Internet Routing Table:     1223
    ARIN Prefixes per ASN:                                        11.52
ARIN Region origin ASes announcing only one prefix:                 425
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:               132383777
    Equivalent to 7 /8s, 228 /16s and 4 /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:                      3601
    Total RIPE prefixes after maximum aggregation:                 2845
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3764
    Unique aggregates announced from the RIPE address blocks:      3095
RIPE Region origin ASes present in the Internet Routing Table:      682
    RIPE Prefixes per ASN:                                         5.52
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     105
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:                57932544
    Equivalent to 3 /8s, 115 /16s and 251 /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:                    1594
    Total LACNIC prefixes after maximum aggregation:                694
    LACNIC Deaggregation factor:                                   2.30
Prefixes being announced from the LACNIC address blocks:           1598
    Unique aggregates announced from the LACNIC address blocks:     891
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       9.68
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    28
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:    67
Number of LACNIC addresses announced to Internet:               4256399
    Equivalent to 0 /8s, 64 /16s and 242 /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:                   1052
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  6.19
Prefixes being announced from the AfriNIC address blocks:          1052
    Unique aggregates announced from the AfriNIC address blocks:    223
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     21.04
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2660608
    Equivalent to 0 /8s, 40 /16s and 153 /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         435        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          61          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        2684       3596     388  GOOGLE-CLOUD-PLATFORM, US
 16509        2138       1686     844  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         802       4015     601  AMAZON-AES, US
   376         202        178     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         146        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         186       1767     183  JANET Jisc Services Limited, GB
  8895         162         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         260        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          48         16       1  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
271640          40          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          35          4       3  Universidad Autonoma Metropolitana, MX

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         370        319      71  TENET-1, ZA
 36914         260         82       3  KENET-AS, KE
327687         164         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          39         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        2684       3596     388  GOOGLE-CLOUD-PLATFORM, US
 16509        2138       1686     844  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         802       4015     601  AMAZON-AES, US
  2907         608       2147     466  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  2018         370        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  1916         260        176      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         260         82       3  KENET-AS, KE

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        2138         1294  AMAZON-02, US
 15169         826          764  GOOGLE, US
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
  2018         370          299  TENET-1, ZA
 36914         260          257  KENET-AS, KE
  1916         260          217  Rede Nacional de Ensino e Pesquisa, BR
 14618         802          201  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
327687         164          161  RENU, UG

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  RESERVED, ZZ
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     /16:2084    /17:499     /18:468     
/19:719     /20:2777    /21:1017    /22:1637    /23:1704    /24:13563   
/25:91      /26:72      /27:80      /28:21      /29:87      /30:41      
/31:35      /32:13      

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

   ASN  No of nets  Total ann.  Description
 16509         297        2138  AMAZON-02, US
 15169         274         826  GOOGLE, US
 14618         262         802  AMAZON-AES, US
 36914         248         260  KENET-AS, KE
396982         198        2684  GOOGLE-CLOUD-PLATFORM, US
  8895         157         162  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         260  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         3:74        5:20        8:28       12:1        13:45     
  14:88       15:69       16:112      18:57       23:111      24:3      
  31:10       34:20       35:47       38:9        40:1        41:116    
  42:10       43:1        44:8        45:58       46:11       47:1      
  49:6        50:2        52:558      54:228      58:1        59:19     
  60:4        61:3        62:11       63:36       64:162      65:13     
  66:69       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       102:32      103:282     104:217     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      
 124:39      125:4       128:87      129:48      130:142     131:59     
 132:53      133:155     134:105     135:3       136:294     137:146    
 138:10      139:17      140:38      141:4       142:275     143:21     
 144:39      145:3       146:143     147:67      148:201     149:17     
 150:43      151:14      152:139     153:9       154:30      155:73     
 156:69      157:23      158:43      159:148     160:29      161:36     
 162:86      163:85      164:20      165:49      166:1       167:22     
 168:160     169:12      170:120     171:1       172:114     173:113    
 174:2       175:27      176:11      177:5       178:1       179:9      
 180:15      182:1       184:3       185:103     186:3       187:18     
 188:19      189:3       190:5       191:13      192:1462    193:308    
 194:125     195:86      196:204     197:165     198:486     199:305    
 200:298     201:36      202:627     203:423     204:371     205:147    
 206:204     207:190     208:127     209:164     210:190     211:14     
 212:170     213:15      216:166     217:12      218:22      219:6      
 220:16      222:2       223:14     

End of report


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