[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 2 22:10:43 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Thu 02 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:                               24726
    Prefixes after maximum aggregation (per Origin AS):           12292
    Deaggregation factor:                                          2.01
    Unique aggregates announced (without unneeded subnets):       13894
    Number of IPv4 prefixes with a valid ROA:                     10620
    Number of IPv4 prefixes with an invalid ROA:                    242
    Number of IPv4 prefixes with no ROA:                          13864
Total ASes present in the Internet Routing Table:                  2763
    Prefixes per ASN:                                              8.95
Origin-only ASes present in the Internet Routing Table:            2377
Origin ASes announcing only one prefix:                            1044
Transit ASes present in the Internet Routing Table:                 386
Transit-only ASes present in the Internet Routing Table:             70
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:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41326
Number of 32-bit ASNs visible in the Routing Table:                 641
Prefixes from 32-bit ASNs in the Routing Table:                    4460
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:                    243129034
    Equivalent to 14 /8s, 125 /16s and 218 /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:        3315

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

Prefixes being announced by APNIC Region ASes:                     4730
    Total APNIC prefixes after maximum aggregation:                2304
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4776
    Unique aggregates announced from the APNIC address blocks:     2679
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.25
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     64
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:    226
Number of APNIC addresses announced to Internet:               45840448
    Equivalent to 2 /8s, 187 /16s and 120 /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:                     13987
    Total ARIN prefixes after maximum aggregation:                 6297
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            13798
    Unique aggregates announced from the ARIN address blocks:      7114
ARIN Region origin ASes present in the Internet Routing Table:     1222
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                 422
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:     185
Number of ARIN addresses announced to Internet:               132682305
    Equivalent to 7 /8s, 232 /16s and 146 /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:                      3625
    Total RIPE prefixes after maximum aggregation:                 2877
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3768
    Unique aggregates announced from the RIPE address blocks:      3088
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.51
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     100
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:     143
Number of RIPE addresses announced to Internet:                58011904
    Equivalent to 3 /8s, 117 /16s and 49 /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:                    1342
    Total LACNIC prefixes after maximum aggregation:                603
    LACNIC Deaggregation factor:                                   2.23
Prefixes being announced from the LACNIC address blocks:           1345
    Unique aggregates announced from the LACNIC address blocks:     719
LACNIC Region origin ASes present in the Internet Routing Table:    152
    LACNIC Prefixes per ASN:                                       8.85
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               3943753
    Equivalent to 0 /8s, 60 /16s and 45 /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:                   1036
    Total AfriNIC prefixes after maximum aggregation:               205
    AfriNIC Deaggregation factor:                                  5.05
Prefixes being announced from the AfriNIC address blocks:          1035
    Unique aggregates announced from the AfriNIC address blocks:    290
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     20.29
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2649344
    Equivalent to 0 /8s, 40 /16s and 109 /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         188         74     134  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        2619       3586     355  GOOGLE-CLOUD-PLATFORM, US
 16509        1951       1634     772  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         746       3996     554  AMAZON-AES, US
   376         199        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         150        507      89  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 36492         113          8      27  GOOGLEWIFI, 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         177         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          96       1518      85  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
 27947         116          0      86  Telconet S.A, EC
 11340         114         25      50  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          45         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
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         380        319      72  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          31         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        2619       3586     355  GOOGLE-CLOUD-PLATFORM, US
 16509        1951       1634     772  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         746       3996     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         380        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         249         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        1951         1179  AMAZON-02, US
 15169         797          734  GOOGLE, US
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         380          308  TENET-1, ZA
 36914         249          246  KENET-AS, KE
  5786         199          198  UPRENET, PR
 14618         746          192  AMAZON-AES, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          173  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     /16:2092    /17:487     /18:478     
/19:720     /20:2782    /21:1013    /22:1622    /23:1685    /24:13120   
/25:90      /26:58      /27:93      /28:27      /29:78      /30:39      
/31:31      /32:9       

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

   ASN  No of nets  Total ann.  Description
 16509         280        1951  AMAZON-02, US
 15169         272         797  GOOGLE, US
 14618         247         746  AMAZON-AES, US
 36914         236         249  KENET-AS, KE
396982         181        2619  GOOGLE-CLOUD-PLATFORM, US
  8895         172         177  ISU Internet Services Unit ISU, SA
 27947          93         116  Telconet S.A, EC
 32440          79         104  LONI, US
 23024          51         112  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        35:46       37:1        38:9        40:1      
  41:136      42:10       44:5        45:52       46:10       47:1      
  49:7        50:1        52:556      54:229      58:1        59:20     
  60:4        61:3        62:12       63:36       64:159      65:13     
  66:65       67:60       68:10       69:35       70:42       71:3      
  72:15       74:145      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       91:55       92:3      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:46      101:7       102:16      103:336     104:202     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      130:140    
 131:61      132:51      133:157     134:101     135:4       136:282    
 137:106     138:10      139:18      140:44      141:4       142:248    
 143:28      144:39      145:2       146:145     147:64      148:48     
 149:16      150:130     151:12      152:81      153:14      154:30     
 155:65      156:67      157:39      158:41      159:148     160:27     
 161:31      162:63      163:80      164:20      165:54      166:1      
 167:22      168:161     169:14      170:103     171:1       172:113    
 173:106     174:2       175:31      176:11      177:8       178:1      
 179:9       180:14      182:1       184:3       185:89      186:3      
 187:19      188:19      189:3       190:5       191:36      192:1457   
 193:351     194:130     195:88      196:168     197:153     198:490    
 199:302     200:206     201:35      202:632     203:429     204:361    
 205:150     206:200     207:177     208:130     209:156     210:186    
 211:17      212:171     213:15      216:161     217:12      218:22     
 219:6       220:17      222:5       223:4      

End of report


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