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

REN Routing Table Report cscora at frr.nsrc.org
Thu Mar 9 22:10:43 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Thu 09 Mar, 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:                               24995
    Prefixes after maximum aggregation (per Origin AS):           12390
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):       14080
    Number of IPv4 prefixes with a valid ROA:                     10646
    Number of IPv4 prefixes with an invalid ROA:                    243
    Number of IPv4 prefixes with no ROA:                          14106
Total ASes present in the Internet Routing Table:                  2774
    Prefixes per ASN:                                              9.01
Origin-only ASes present in the Internet Routing Table:            2388
Origin ASes announcing only one prefix:                            1050
Transit ASes present in the Internet Routing Table:                 386
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41390
Number of 32-bit ASNs visible in the Routing Table:                 648
Prefixes from 32-bit ASNs in the Routing Table:                    4473
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:                    243058638
    Equivalent to 14 /8s, 124 /16s and 199 /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:        3319

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

Prefixes being announced by APNIC Region ASes:                     4735
    Total APNIC prefixes after maximum aggregation:                2314
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4781
    Unique aggregates announced from the APNIC address blocks:     2687
APNIC Region origin ASes present in the Internet Routing Table:     581
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               45838656
    Equivalent to 2 /8s, 187 /16s and 113 /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, 131072-151865
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:                     14104
    Total ARIN prefixes after maximum aggregation:                 6313
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            13916
    Unique aggregates announced from the ARIN address blocks:      7128
ARIN Region origin ASes present in the Internet Routing Table:     1228
    ARIN Prefixes per ASN:                                        11.33
ARIN Region origin ASes announcing only one prefix:                 424
ARIN Region transit ASes present in the Internet Routing Table:     164
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:     189
Number of ARIN addresses announced to Internet:               132558401
    Equivalent to 7 /8s, 230 /16s and 174 /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:                      3621
    Total RIPE prefixes after maximum aggregation:                 2874
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3763
    Unique aggregates announced from the RIPE address blocks:      3084
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:                 302
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                58010624
    Equivalent to 3 /8s, 117 /16s and 44 /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:                    1505
    Total LACNIC prefixes after maximum aggregation:                677
    LACNIC Deaggregation factor:                                   2.22
Prefixes being announced from the LACNIC address blocks:           1508
    Unique aggregates announced from the LACNIC address blocks:     886
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       9.54
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               3996237
    Equivalent to 0 /8s, 60 /16s and 250 /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:                   1024
    Total AfriNIC prefixes after maximum aggregation:               206
    AfriNIC Deaggregation factor:                                  4.97
Prefixes being announced from the AfriNIC address blocks:          1023
    Unique aggregates announced from the AfriNIC address blocks:    291
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     19.67
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2653440
    Equivalent to 0 /8s, 40 /16s and 125 /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         601       2157     464  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  1237         192         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  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        2621       3586     356  GOOGLE-CLOUD-PLATFORM, US
 16509        1944       1633     765  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         746       3994     554  AMAZON-AES, US
   376         199        178     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         153        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, 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       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  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         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         117          0      87  Telconet S.A, EC
 11340         114         25      50  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          44         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
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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      72  TENET-1, ZA
 36914         247         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
 37182          33          8       1  TERNET, TZ
  3208          32          2       1  ARN, DZ
327700          29         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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        2621       3586     356  GOOGLE-CLOUD-PLATFORM, US
 16509        1944       1633     765  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         746       3994     554  AMAZON-AES, US
  2907         601       2157     464  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         370        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         247         82       3  KENET-AS, KE
   376         199        178     149  RISQ-AS, CA

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        1944         1179  AMAZON-02, US
 15169         797          734  GOOGLE, US
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         370          298  TENET-1, ZA
 36914         247          244  KENET-AS, KE
  5786         198          197  UPRENET, PR
 14618         746          192  AMAZON-AES, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         176          172  ISU Internet Services Unit ISU, SA
  2907         601          137  SINET-AS Research Organization of Information a

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
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    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
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, US

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      /15:160     /16:2090    /17:486     /18:477     
/19:724     /20:2783    /21:1017    /22:1622    /23:1698    /24:13359   
/25:90      /26:63      /27:99      /28:27      /29:78      /30:40      
/31:31      /32:9       

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

   ASN  No of nets  Total ann.  Description
 16509         281        1944  AMAZON-02, US
 15169         272         797  GOOGLE, US
 14618         247         746  AMAZON-AES, US
 36914         234         247  KENET-AS, KE
396982         182        2621  GOOGLE-CLOUD-PLATFORM, US
  8895         171         176  ISU Internet Services Unit ISU, SA
 27947          94         117  Telconet S.A, EC
 32440          79         104  LONI, US
 23024          52         113  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR

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

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

   1:2         3:64        5:17        8:28       12:1        13:44     
  14:89       15:64       16:29       18:47       23:116      24:3      
  31:10       34:8        35:48       37:1        38:9        40:1      
  41:132      42:10       44:5        45:44       46:10       47:1      
  49:7        50:1        52:555      54:229      58:1        59:20     
  60:4        61:3        62:12       63:36       64:162      65:13     
  66:65       67:60       68:10       69:35       70:42       71:3      
  72:15       74:146      76:45       77:11       78:3        79:10     
  80:17       81:28       82:6        83:6        84:9        85:47     
  86:5        87:2        88:1        89:17       91:54       92:3      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:46      101:7       102:16      103:335     104:205     107:33     
 108:98      109:13      110:2       111:16      114:31      115:1      
 116:8       117:61      118:32      119:21      121:28      122:8      
 123:8       124:39      125:4       128:86      129:45      130:141    
 131:61      132:51      133:157     134:97      135:4       136:281    
 137:106     138:10      139:18      140:44      141:4       142:249    
 143:28      144:39      145:2       146:145     147:65      148:201    
 149:16      150:130     151:12      152:146     153:14      154:30     
 155:65      156:70      157:39      158:41      159:148     160:27     
 161:31      162:63      163:80      164:20      165:54      166:1      
 167:22      168:153     169:14      170:105     171:1       172:113    
 173:111     174:2       175:31      176:11      177:9       178:1      
 179:9       180:14      182:1       184:3       185:89      186:3      
 187:19      188:19      189:3       190:5       191:36      192:1465   
 193:352     194:129     195:87      196:166     197:154     198:494    
 199:303     200:209     201:36      202:637     203:434     204:363    
 205:152     206:199     207:180     208:127     209:158     210:186    
 211:17      212:168     213:15      216:160     217:12      218:22     
 219:6       220:17      222:5       223:4      

End of report


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