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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 22 22:10:44 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Thu 22 Feb, 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:                               25681
    Prefixes after maximum aggregation (per Origin AS):           12590
    Deaggregation factor:                                          2.04
    Unique aggregates announced (without unneeded subnets):       14281
    Number of IPv4 prefixes with a valid ROA:                     12820
    Number of IPv4 prefixes with an invalid ROA:                    167
    Number of IPv4 prefixes with no ROA:                          12694
Total ASes present in the Internet Routing Table:                  2744
    Prefixes per ASN:                                              9.36
Origin-only ASes present in the Internet Routing Table:            2363
Origin ASes announcing only one prefix:                            1049
Transit ASes present in the Internet Routing Table:                 381
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:                                      16
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43676
Number of 32-bit ASNs visible in the Routing Table:                 652
Prefixes from 32-bit ASNs in the Routing Table:                    4824
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:              3
Number of addresses announced to Internet:                    239359594
    Equivalent to 14 /8s, 68 /16s and 86 /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:        3566

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

Prefixes being announced by APNIC Region ASes:                     4669
    Total APNIC prefixes after maximum aggregation:                2273
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4721
    Unique aggregates announced from the APNIC address blocks:     2651
APNIC Region origin ASes present in the Internet Routing Table:     541
    APNIC Prefixes per ASN:                                        8.73
APNIC Region origin ASes announcing only one prefix:                230
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    205
Number of APNIC addresses announced to Internet:               45570880
    Equivalent to 2 /8s, 183 /16s and 91 /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:                     14607
    Total ARIN prefixes after maximum aggregation:                 6575
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            14402
    Unique aggregates announced from the ARIN address blocks:      7414
ARIN Region origin ASes present in the Internet Routing Table:     1240
    ARIN Prefixes per ASN:                                        11.61
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:               129328001
    Equivalent to 7 /8s, 181 /16s and 99 /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:                      3608
    Total RIPE prefixes after maximum aggregation:                 2878
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3767
    Unique aggregates announced from the RIPE address blocks:      3122
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.55
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:     101
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:     147
Number of RIPE addresses announced to Internet:                57604240
    Equivalent to 3 /8s, 110 /16s and 248 /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:                    1516
    Total LACNIC prefixes after maximum aggregation:                678
    LACNIC Deaggregation factor:                                   2.24
Prefixes being announced from the LACNIC address blocks:           1521
    Unique aggregates announced from the LACNIC address blocks:     866
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       9.27
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    29
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4235033
    Equivalent to 0 /8s, 64 /16s and 159 /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:                   1266
    Total AfriNIC prefixes after maximum aggregation:               174
    AfriNIC Deaggregation factor:                                  7.28
Prefixes being announced from the AfriNIC address blocks:          1267
    Unique aggregates announced from the AfriNIC address blocks:    225
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     25.86
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2620672
    Equivalent to 0 /8s, 39 /16s and 253 /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 Infor
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  1237         197         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     117  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          71          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart 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        2758       3639     397  GOOGLE-CLOUD-PLATFORM, US
 16509        2142       1655     911  AMAZON-02, US
 14618         854       4033     644  AMAZON-AES, US
 15169         831       1997      60  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 36492         165         12      38  GOOGLEWIFI, US
  2152         144        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  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       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         183       1751     180  JANET Jisc Services Limited, GB
  8895         161         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         44      68  RUNNET, 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         174        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         119          0      91  Telconet S.A, EC
 11340         117         25      54  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          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
 36914         486         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
327687         160         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          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       3639     397  GOOGLE-CLOUD-PLATFORM, US
 16509        2142       1655     911  AMAZON-02, US
 14618         854       4033     644  AMAZON-AES, US
 15169         831       1997      60  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
 36914         486         82       3  KENET-AS, KE
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         379        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         201        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        2142         1231  AMAZON-02, US
 15169         831          771  GOOGLE, US
 36914         486          483  KENET-AS, KE
  7497         441          418  CSTNET-AS-AP Computer Network Information Cente
  2018         379          308  TENET-1, ZA
 14618         854          210  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
327687         160          157  RENU, UG
  8895         161          156  ISU Internet Services Unit ISU, SA

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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, 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      
/13:34      /14:81      /15:160     /16:2099    /17:509     /18:500     
/19:727     /20:2788    /21:1051    /22:1680    /23:1753    /24:13881   
/25:85      /26:55      /27:75      /28:22      /29:80      /30:34      
/31:37      /32:5       

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

   ASN  No of nets  Total ann.  Description
 36914         471         486  KENET-AS, KE
 16509         317        2142  AMAZON-02, US
 14618         281         854  AMAZON-AES, US
 15169         274         831  GOOGLE, US
396982         207        2758  GOOGLE-CLOUD-PLATFORM, US
  8895         156         161  ISU Internet Services Unit ISU, SA
 27947          94         119  Telconet S.A, EC
 32440          79         110  LONI, US
 23024          52         106  OCDE, US
327700          41          47  MoRENet, MZ

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

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

   1:2         3:84        5:20        8:28       12:1        13:45     
  14:90       15:70       16:112      18:66       23:108      24:3      
  31:3        34:23       35:51       38:9        40:5        41:178    
  42:10       43:2        44:9        45:58       46:11       47:1      
  49:9        50:3        52:550      54:163      59:19       60:6      
  61:3        62:9        63:36       64:159      65:13       66:81     
  67:61       68:13       69:40       70:44       71:3        72:11     
  74:145      76:46       77:13       78:3        79:10       80:13     
  81:25       82:5        83:7        84:10       85:35       86:4      
  87:4        88:1        89:19       91:58       92:5        93:5      
  94:2        95:2        96:7        97:1        98:11       99:47     
 101:3       102:41      103:292     104:225     107:33      108:104    
 109:10      111:16      114:32      115:1       116:10      117:61     
 118:32      119:19      121:27      122:8       123:8       124:42     
 125:5       128:85      129:45      130:140     131:68      132:59     
 133:157     134:110     135:3       136:298     137:151     138:58     
 139:17      140:41      141:6       142:285     143:23      144:40     
 145:3       146:145     147:68      148:203     149:17      150:43     
 151:18      152:135     153:14      154:29      155:73      156:69     
 157:25      158:42      159:148     160:30      161:28      162:92     
 163:87      164:24      165:54      166:1       167:24      168:151    
 169:11      170:147     171:1       172:114     173:116     174:2      
 175:25      176:10      177:7       178:1       179:9       180:15     
 182:1       184:4       185:101     186:3       187:17      188:20     
 189:3       190:2       191:13      192:1509    193:282     194:126    
 195:72      196:198     197:337     198:480     199:310     200:266    
 201:34      202:620     203:429     204:370     205:150     206:197    
 207:171     208:139     209:166     210:196     211:14      212:163    
 213:15      216:174     217:13      218:22      219:5       220:17     
 222:2       223:14     

End of report


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