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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jul 26 22:10:45 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Fri 26 Jul, 2024

  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:                               25949
    Prefixes after maximum aggregation (per Origin AS):           12944
    Deaggregation factor:                                          2.00
    Unique aggregates announced (without unneeded subnets):       14597
    Number of IPv4 prefixes with a valid ROA:                     13062
    Number of IPv4 prefixes with an invalid ROA:                    179
    Number of IPv4 prefixes with no ROA:                          12708
Total ASes present in the Internet Routing Table:                  2770
    Prefixes per ASN:                                              9.37
Origin-only ASes present in the Internet Routing Table:            2391
Origin ASes announcing only one prefix:                            1057
Transit ASes present in the Internet Routing Table:                 379
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              0
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:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45036
Number of 32-bit ASNs visible in the Routing Table:                 650
Prefixes from 32-bit ASNs in the Routing Table:                    4652
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:             10
Number of addresses announced to Internet:                    240316340
    Equivalent to 14 /8s, 82 /16s and 239 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3582

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

Prefixes being announced by APNIC Region ASes:                     4723
    Total APNIC prefixes after maximum aggregation:                2305
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4784
    Unique aggregates announced from the APNIC address blocks:     2706
APNIC Region origin ASes present in the Internet Routing Table:     562
    APNIC Prefixes per ASN:                                        8.51
APNIC Region origin ASes announcing only one prefix:                240
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               45853760
    Equivalent to 2 /8s, 187 /16s and 172 /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:                     15072
    Total ARIN prefixes after maximum aggregation:                 6910
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:            14805
    Unique aggregates announced from the ARIN address blocks:      7647
ARIN Region origin ASes present in the Internet Routing Table:     1257
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                 438
ARIN Region transit ASes present in the Internet Routing Table:     158
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:     210
Number of ARIN addresses announced to Internet:               129990001
    Equivalent to 7 /8s, 191 /16s and 125 /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, 393216-402332
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:                      3617
    Total RIPE prefixes after maximum aggregation:                 2920
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3806
    Unique aggregates announced from the RIPE address blocks:      3205
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.57
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     155
Number of RIPE addresses announced to Internet:                57760400
    Equivalent to 3 /8s, 113 /16s and 90 /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
                       196608-216475
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:                656
    LACNIC Deaggregation factor:                                   2.29
Prefixes being announced from the LACNIC address blocks:           1511
    Unique aggregates announced from the LACNIC address blocks:     832
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       9.16
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:                       4.8
    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:               4280691
    Equivalent to 0 /8s, 65 /16s and 81 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   1031
    Total AfriNIC prefixes after maximum aggregation:               152
    AfriNIC Deaggregation factor:                                  6.78
Prefixes being announced from the AfriNIC address blocks:          1033
    Unique aggregates announced from the AfriNIC address blocks:    198
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     33.32
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   11
Number of AfriNIC addresses announced to Internet:              2419712
    Equivalent to 0 /8s, 36 /16s and 236 /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       2162     465  SINET-AS Research Organization of Informa
  7497         448        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     144  KREONET-AS-KR KISTI, KR
 58647         183         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         130         18      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          68         37      10  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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        2758       3594     409  GOOGLE-CLOUD-PLATFORM, US
 16509        2251       1766    1004  AMAZON-02, US
 14618         985       4180     736  AMAZON-AES, US
 15169         830       2007      68  GOOGLE, US
   376         202        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         176         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         150        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, 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         282       1899     250  DFN Verein zur Foerderung eines Deutschen
   786         182       1767     181  JANET Jisc Services Limited, GB
  8895         136         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch.c
  1103          96       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          90         26      70  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  NIKS, RU

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         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         118         25      55  Red Universitaria Nacional, CL
 27947         116          0      88  Telconet S.A, EC
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

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
 36914         450         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37215           7          8       1  MAREN, MW

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        2758       3594     409  GOOGLE-CLOUD-PLATFORM, US
 16509        2251       1766    1004  AMAZON-02, US
 14618         985       4180     736  AMAZON-AES, US
 15169         830       2007      68  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Informa
 36914         450         82       3  KENET-AS, KE
  7497         448        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         282       1899     250  DFN Verein zur Foerderung eines Deutschen
   376         202        162     151  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        2251         1247  AMAZON-02, US
 15169         830          762  GOOGLE, US
 36914         450          447  KENET-AS, KE
  7497         448          424  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 14618         985          249  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         183          181  KAGAWAU-AS Kagawa University, JP
  2920         176          169  LACOE, US
  2907         601          136  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
185.137.157.0/24     Origin:    396982  GOOGLE-CLOUD-PLATFORM, US
185.137.157.0/24    Transit:     15169  GOOGLE, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
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

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       /10:1       /11:4       /12:19      
/13:35      /14:81      /15:158     /16:2108    /17:511     /18:508     
/19:737     /20:2811    /21:1075    /22:1614    /23:1753    /24:14190   
/25:47      /26:51      /27:69      /28:21      /29:77      /30:33      
/31:38      /32:7       

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

   ASN  No of nets  Total ann.  Description
 36914         440         450  KENET-AS, KE
 16509         345        2251  AMAZON-02, US
 14618         323         985  AMAZON-AES, US
 15169         275         830  GOOGLE, US
396982         221        2758  GOOGLE-CLOUD-PLATFORM, US
  8895         131         136  ISU Internet Services Unit ISU, SA
 27947          92         116  Telconet S.A, EC
 32440          81         115  LONI, US
327700          39          45  MoRENet, MZ
 23024          38          96  OCDE, US

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

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

   1:2         3:89        5:21        8:28       12:1        13:45     
  14:90       15:72       16:115      18:70       23:107      24:3      
  31:5        34:23       35:49       36:1        37:8        38:10     
  40:5        41:173      42:10       43:3        44:7        45:72     
  46:11       47:1        49:10       50:7        52:551      54:163    
  57:1        58:1        59:19       60:6        61:3        62:9      
  63:37       64:158      65:16       66:77       67:67       68:15     
  69:45       70:43       71:3        72:12       74:152      75:1      
  76:47       77:12       78:3        79:10       80:14       81:25     
  82:6        83:7        84:7        85:46       86:5        87:4      
  88:1        89:20       91:59       92:7        93:13       94:2      
  95:2        96:7        97:1        98:10       99:47      101:2      
 102:7       103:313     104:224     107:38      108:113     109:12     
 111:16      113:2       114:32      115:1       116:10      117:62     
 118:34      119:23      121:28      122:8       123:8       124:43     
 125:5       128:84      129:40      130:147     131:65      132:67     
 133:158     134:107     135:3       136:299     137:66      138:60     
 139:17      140:41      141:7       142:265     143:26      144:42     
 145:3       146:145     147:76      148:202     149:16      150:41     
 151:32      152:139     153:15      154:37      155:77      156:141    
 157:30      158:44      159:154     160:30      161:29      162:76     
 163:67      164:24      165:66      166:2       167:25      168:156    
 169:11      170:154     171:1       172:113     173:117     174:2      
 175:29      176:10      177:5       178:1       179:11      180:16     
 182:9       184:7       185:108     186:3       187:17      188:18     
 189:3       190:3       191:13      192:1528    193:282     194:126    
 195:74      196:147     197:316     198:490     199:323     200:272    
 201:36      202:648     203:441     204:386     205:155     206:214    
 207:233     208:145     209:169     210:216     211:14      212:165    
 213:17      216:196     217:12      218:22      219:5       220:17     
 222:2       223:14     

End of report


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