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

REN Routing Table Report cscora at frr.nsrc.org
Mon Feb 20 22:10:41 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Mon 20 Feb, 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:                               24843
    Prefixes after maximum aggregation (per Origin AS):           12355
    Deaggregation factor:                                          2.01
    Unique aggregates announced (without unneeded subnets):       14033
    Number of IPv4 prefixes with a valid ROA:                     10574
    Number of IPv4 prefixes with an invalid ROA:                    220
    Number of IPv4 prefixes with no ROA:                          14049
Total ASes present in the Internet Routing Table:                  2768
    Prefixes per ASN:                                              8.98
Origin-only ASes present in the Internet Routing Table:            2385
Origin ASes announcing only one prefix:                            1048
Transit ASes present in the Internet Routing Table:                 383
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              0
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:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      41223
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    4453
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:                    242922525
    Equivalent to 14 /8s, 122 /16s and 180 /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:        3292

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

Prefixes being announced by APNIC Region ASes:                     4729
    Total APNIC prefixes after maximum aggregation:                2312
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4776
    Unique aggregates announced from the APNIC address blocks:     2687
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.19
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     65
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:               45842752
    Equivalent to 2 /8s, 187 /16s and 129 /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:                     13991
    Total ARIN prefixes after maximum aggregation:                 6303
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            13805
    Unique aggregates announced from the ARIN address blocks:      7103
ARIN Region origin ASes present in the Internet Routing Table:     1225
    ARIN Prefixes per ASN:                                        11.27
ARIN Region origin ASes announcing only one prefix:                 420
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     188
Number of ARIN addresses announced to Internet:               132460865
    Equivalent to 7 /8s, 229 /16s and 49 /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:                      3628
    Total RIPE prefixes after maximum aggregation:                 2879
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3768
    Unique aggregates announced from the RIPE address blocks:      3090
RIPE Region origin ASes present in the Internet Routing Table:      688
    RIPE Prefixes per ASN:                                         5.48
RIPE Region origin ASes announcing only one prefix:                 308
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:                58021120
    Equivalent to 3 /8s, 117 /16s and 85 /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:                    1457
    Total LACNIC prefixes after maximum aggregation:                649
    LACNIC Deaggregation factor:                                   2.24
Prefixes being announced from the LACNIC address blocks:           1458
    Unique aggregates announced from the LACNIC address blocks:     857
LACNIC Region origin ASes present in the Internet Routing Table:    147
    LACNIC Prefixes per ASN:                                       9.92
LACNIC Region origin ASes announcing only one prefix:                49
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    58
Number of LACNIC addresses announced to Internet:               3942044
    Equivalent to 0 /8s, 60 /16s and 38 /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:                   1033
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.99
Prefixes being announced from the AfriNIC address blocks:          1032
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     19.47
AfriNIC Region origin ASes announcing only one prefix:               24
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:   29
Number of AfriNIC addresses announced to Internet:              2654464
    Equivalent to 0 /8s, 40 /16s and 129 /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         593       2157     463  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         177         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        2608       3584     354  GOOGLE-CLOUD-PLATFORM, US
 16509        1933       1631     767  AMAZON-02, US
 15169         796       2254      63  GOOGLE, US
 14618         739       3994     550  AMAZON-AES, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         152        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, 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         281       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         178        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         114         25      50  Red Universitaria Nacional, CL
 27947         113          0      86  Telconet S.A, EC
  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
 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         377        319      72  TENET-1, ZA
 36914         251         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          55         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          33         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  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        2608       3584     354  GOOGLE-CLOUD-PLATFORM, US
 16509        1933       1631     767  AMAZON-02, US
 15169         796       2254      63  GOOGLE, US
 14618         739       3994     550  AMAZON-AES, US
  2907         593       2157     463  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         377        319      72  TENET-1, ZA
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
   376         200        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        1933         1166  AMAZON-02, US
 15169         796          733  GOOGLE, US
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         377          305  TENET-1, ZA
 36914         251          248  KENET-AS, KE
  5786         199          198  UPRENET, PR
 14618         739          189  AMAZON-AES, US
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  8895         177          173  ISU Internet Services Unit ISU, SA
  1916         178          136  Rede Nacional de Ensino e Pesquisa, BR

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
     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     /16:2085    /17:489     /18:474     
/19:721     /20:2783    /21:1011    /22:1620    /23:1693    /24:13255   
/25:87      /26:58      /27:94      /28:26      /29:74      /30:35      
/31:30      /32:6       

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

   ASN  No of nets  Total ann.  Description
 16509         280        1933  AMAZON-02, US
 15169         271         796  GOOGLE, US
 14618         246         739  AMAZON-AES, US
 36914         238         251  KENET-AS, KE
396982         175        2608  GOOGLE-CLOUD-PLATFORM, US
  8895         172         177  ISU Internet Services Unit ISU, SA
 27947          91         113  Telconet S.A, EC
 32440          79          94  LONI, US
 23024          52         113  OCDE, US
 46115          32          35  LUTHER, US

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        13:42     
  14:89       15:62       16:29       18:47       23:115      24:3      
  31:10       34:8        35:48       37:1        38:9        40:1      
  41:139      42:10       44:5        45:45       46:10       47:1      
  49:7        50:1        52:556      54:228      58:1        59:20     
  60:4        61:3        62:12       63:36       64:160      65:13     
  66:64       67:60       68:10       69:36       70:41       71:3      
  72:15       74:145      76:45       77:11       78:3        79:10     
  80:17       81:28       82:5        83:6        84:8        85:47     
  86:5        87:2        89:17       91:56       92:3        93:4      
  94:4        95:2        96:7        97:1        98:11       99:46     
 101:7       102:16      103:338     104:200     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      130:142     131:63     
 132:56      133:149     134:99      135:4       136:282     137:102    
 138:9       139:18      140:43      141:4       142:248     143:28     
 144:39      145:2       146:145     147:67      148:201     149:16     
 150:130     151:12      152:80      153:14      154:30      155:65     
 156:70      157:34      158:41      159:148     160:27      161:30     
 162:63      163:80      164:20      165:54      166:1       167:18     
 168:160     169:14      170:101     171:1       172:113     173:111    
 174:2       175:32      176:11      177:8       178:1       179:8      
 180:17      182:1       184:3       185:88      186:2       187:19     
 188:19      189:3       190:2       191:36      192:1464    193:354    
 194:130     195:87      196:164     197:154     198:495     199:301    
 200:200     201:32      202:632     203:429     204:362     205:150    
 206:199     207:182     208:124     209:157     210:186     211:18     
 212:172     213:15      216:162     217:12      218:22      219:6      
 220:17      222:5       223:4      

End of report


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