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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 4 22:41:39 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 04 Mar, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              989954
    Prefixes after maximum aggregation (per Origin AS):          363738
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      458627
Total ASes present in the Internet Routing Table:                 75730
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64870
Origin ASes announcing only one prefix:                           26100
Transit ASes present in the Internet Routing Table:               10860
Transit-only ASes present in the Internet Routing Table:            518
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1294
    Number of instances of unregistered ASNs:                      1297
Number of 32-bit ASNs allocated by the RIRs:                      43762
Number of 32-bit ASNs visible in the Routing Table:               36106
Prefixes from 32-bit ASNs in the Routing Table:                  189776
Number of bogon 32-bit ASNs visible in the Routing Table:           193
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            647
Number of addresses announced to Internet:                   3042885043
    Equivalent to 181 /8s, 94 /16s and 189 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338534

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

Prefixes being announced by APNIC Region ASes:                   258738
    Total APNIC prefixes after maximum aggregation:               73806
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251293
    Unique aggregates announced from the APNIC address blocks:   100346
APNIC Region origin ASes present in the Internet Routing Table:   14087
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4214
APNIC Region transit ASes present in the Internet Routing Table:   1898
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9439
Number of APNIC addresses announced to Internet:              775231392
    Equivalent to 46 /8s, 53 /16s and 23 /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:                    283749
    Total ARIN prefixes after maximum aggregation:               125412
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288196
    Unique aggregates announced from the ARIN address blocks:    132634
ARIN Region origin ASes present in the Internet Routing Table:    19151
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1970
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4864
Number of ARIN addresses announced to Internet:              1270424896
    Equivalent to 75 /8s, 185 /16s and 37 /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:                    281905
    Total RIPE prefixes after maximum aggregation:               128639
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275925
    Unique aggregates announced from the RIPE address blocks:    162354
RIPE Region origin ASes present in the Internet Routing Table:    28644
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12092
RIPE Region transit ASes present in the Internet Routing Table:    3995
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11686
Number of RIPE addresses announced to Internet:               712858739
    Equivalent to 42 /8s, 125 /16s and 92 /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:                  130181
    Total LACNIC prefixes after maximum aggregation:              28967
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128948
    Unique aggregates announced from the LACNIC address blocks:   49517
LACNIC Region origin ASes present in the Internet Routing Table:  11075
    LACNIC Prefixes per ASN:                                      11.64
LACNIC Region origin ASes announcing only one prefix:              2240
LACNIC Region transit ASes present in the Internet Routing Table:  2448
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8924
Number of LACNIC addresses announced to Internet:             177578080
    Equivalent to 10 /8s, 149 /16s and 160 /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:                  34087
    Total AfriNIC prefixes after maximum aggregation:              6125
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44944
    Unique aggregates announced from the AfriNIC address blocks:  13240
AfriNIC Region origin ASes present in the Internet Routing Table:  1835
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              612
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1193
Number of AfriNIC addresses announced to Internet:            106452480
    Equivalent to 6 /8s, 88 /16s and 86 /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
  9808        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4571        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3863       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3514        497     255  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3291       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2750        863     362  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2504      11259     578  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9697      11297    3359  AMAZON-02, US
 22773        5012       3078     301  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4826       6643     674  COGENT-174, US
 11492        4581        304     649  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3597       1320      75  SHAW, CA
 16625        3239       1402    2304  AKAMAI-AS, US
   749        3174      54874    2426  DNIC-AS-00749, US
   367        2892       3629    1409  DNIC-ASBLK-00306-00371, US
396982        2761       3640     397  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8997       1210    2368  TTNET, TR
 12479        7623       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3294        286    1605  M247, RO
 12389        2990       2304     907  ROSTELECOM-AS, RU
  8551        2653        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2503        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2457       1852      14  TE-AS TE-AS, EG
 34984        2398        366     586  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12510       3347     609  UNINET, MX
 10620        3523        496     892  Telmex Colombia S.A., CO
 13999        2525        343     649  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1342       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1213        349     490  Axtel, S.A.B. de C.V., MX
 11664        1142        179     423  Techtel LMDS Comunicaciones Interactiva
 26615        1138       2505      73  TIM SA, BR
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1629        315      40  Telkom-Internet, ZA
 24835        1550        545      28  RAYA-AS, EG
 24863        1519        389      20  LINKdotNET-AS, EG
 36992        1364       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1159         74      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE
 15399         530         55      53  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12510       3347     609  UNINET, MX
  9808        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9697      11297    3359  AMAZON-02, US
 47331        8997       1210    2368  TTNET, TR
 12479        7623       1714     147  UNI2-AS, ES
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5012       3078     301  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4826       6643     674  COGENT-174, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9818         9761  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7623         7476  UNI2-AS, ES
 47331        8997         6629  TTNET, TR
 16509        9697         6338  AMAZON-02, US
  7545        5655         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033         4958  ERX-CERNET-BKB China Education and Research Net
 22773        5012         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4571         4546  FPT-AS-AP FPT Telecom Company, VN
   174        4826         4152  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/24        Origin:    136800  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3491  BTN-ASN, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:98      /12:300     
/13:579     /14:1208    /15:2135    /16:13531   /17:8474    /18:14205   
/19:25385   /20:45533   /21:53755   /22:114251  /23:106799  /24:598746  
/25:1105    /26:1057    /27:1506    /28:162     /29:257     /30:85      
/31:104     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8115        8997  TTNET, TR
 12479        6736        7623  UNI2-AS, ES
  8151        6472       12510  UNINET, MX
 22773        4044        5012  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3494        4581  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3597  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2157        2501  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2129        2653  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2328      2:1627      3:307       4:22        5:4684      6:161    
   7:6         8:1631      9:2        11:190      12:1473     13:385    
  14:2441     15:314      16:208      17:374      18:744      20:379    
  21:4        22:188      23:6666     24:3163     25:2        27:2651   
  29:19       31:2795     32:61       34:46       35:127      36:2211   
  37:4638     38:8196     39:900      40:141      41:4647     42:2199   
  43:2391     44:331      45:17781    46:4475     47:290      49:1934   
  50:1922     51:578      52:1618     54:312      55:860      56:5      
  57:158      58:2109     59:1204     60:1023     61:2769     62:2843   
  63:1943     64:5722     65:2365     66:4865     67:3128     68:1592   
  69:4108     70:1519     71:583      72:3031     74:2630     75:1590   
  76:635      77:2540     78:4147     79:2502     80:2180     81:2170   
  82:1575     83:1320     84:1670     85:4043     86:941      87:2255   
  88:3004     89:4155     90:684      91:8120     92:2281     93:2658   
  94:3834     95:5346     96:1320     97:313      98:1098     99:743    
 100:119     101:1185    102:3553    103:32972   104:4785    105:2037   
 106:1004    107:2786    108:1141    109:4107    110:2175    111:3203   
 112:2090    113:1783    114:1790    115:2146    116:1983    117:2628   
 118:2794    119:2024    120:1817    121:1363    122:2819    123:2269   
 124:1639    125:2878    126:28      128:1601    129:1024    130:1140   
 131:1925    132:936     133:410     134:1719    135:355     136:929    
 137:1063    138:3026    139:1555    140:1376    141:1364    142:1597   
 143:1580    144:1025    145:345     146:2056    147:1719    148:2524   
 149:2637    150:1042    151:1340    152:1994    153:596     154:6063   
 155:1403    156:2133    157:1613    158:1107    159:2246    160:2699   
 161:1664    162:3642    163:1739    164:1693    165:2179    166:1083   
 167:1729    168:4134    169:821     170:4999    171:1029    172:3860   
 173:3065    174:934     175:1258    176:3831    177:5290    178:3709   
 179:2506    180:2464    181:3779    182:3423    183:2035    184:2277   
 185:20998   186:5168    187:4866    188:4237    189:4355    190:9500   
 191:1924    192:11038   193:9082    194:7614    195:5453    196:3659   
 197:2967    198:6071    199:7377    200:8504    201:6457    202:10790  
 203:10558   204:4644    205:3775    206:4575    207:3594    208:4213   
 209:5074    210:4785    211:2608    212:4412    213:3563    214:1106   
 215:44      216:6866    217:3057    218:1387    219:606     220:2127   
 221:1028    222:879     223:2239   

End of report


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