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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jun 1 22:41:09 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 01 Jun, 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:                              1010887
    Prefixes after maximum aggregation (per Origin AS):          367565
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      464055
Total ASes present in the Internet Routing Table:                 76139
    Prefixes per ASN:                                             13.28
Origin-only ASes present in the Internet Routing Table:           65151
Origin ASes announcing only one prefix:                           26085
Transit ASes present in the Internet Routing Table:               10988
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1137
    Number of instances of unregistered ASNs:                      1140
Number of 32-bit ASNs allocated by the RIRs:                      44632
Number of 32-bit ASNs visible in the Routing Table:               36650
Prefixes from 32-bit ASNs in the Routing Table:                  197999
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            664
Number of addresses announced to Internet:                   3030225012
    Equivalent to 180 /8s, 157 /16s and 144 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      345880

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

Prefixes being announced by APNIC Region ASes:                   264247
    Total APNIC prefixes after maximum aggregation:               74932
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255967
    Unique aggregates announced from the APNIC address blocks:   101130
APNIC Region origin ASes present in the Internet Routing Table:   14286
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4282
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9629
Number of APNIC addresses announced to Internet:              762401952
    Equivalent to 45 /8s, 113 /16s and 84 /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:                    287437
    Total ARIN prefixes after maximum aggregation:               126905
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           292156
    Unique aggregates announced from the ARIN address blocks:    134520
ARIN Region origin ASes present in the Internet Routing Table:    19203
    ARIN Prefixes per ASN:                                        15.21
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    2011
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4931
Number of ARIN addresses announced to Internet:              1268251714
    Equivalent to 75 /8s, 151 /16s and 252 /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:                    286597
    Total RIPE prefixes after maximum aggregation:               129931
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           280341
    Unique aggregates announced from the RIPE address blocks:    164761
RIPE Region origin ASes present in the Internet Routing Table:    28751
    RIPE Prefixes per ASN:                                         9.75
RIPE Region origin ASes announcing only one prefix:               12115
RIPE Region transit ASes present in the Internet Routing Table:    4003
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          47
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11879
Number of RIPE addresses announced to Internet:               714828146
    Equivalent to 42 /8s, 155 /16s and 105 /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:                  136335
    Total LACNIC prefixes after maximum aggregation:              28840
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         134647
    Unique aggregates announced from the LACNIC address blocks:   50052
LACNIC Region origin ASes present in the Internet Routing Table:  11105
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2131
LACNIC Region transit ASes present in the Internet Routing Table:  2467
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        63
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8998
Number of LACNIC addresses announced to Internet:             176948768
    Equivalent to 10 /8s, 140 /16s and 6 /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:                  35134
    Total AfriNIC prefixes after maximum aggregation:              6257
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         47111
    Unique aggregates announced from the AfriNIC address blocks:  13112
AfriNIC Region origin ASes present in the Internet Routing Table:  1846
    AfriNIC Prefixes per ASN:                                     25.52
AfriNIC Region origin ASes announcing only one prefix:              611
AfriNIC Region transit ASes present in the Internet Routing Table:  362
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1213
Number of AfriNIC addresses announced to Internet:            107397120
    Equivalent to 6 /8s, 102 /16s and 192 /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        9845       8745      73  CHINAMOBILE-CN China Mobile Communicati
  7545        5633        776     668  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4524       1878      49  VNPT-AS-VN VNPT Corp, VN
 18403        4341        347      24  FPT-AS-AP FPT Telecom Company, VN
  7552        3932       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3767        510     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3643       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2795        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2488      11524     579  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        9983      11392    3538  AMAZON-02, US
   174        5249       8783     879  COGENT-174, US
 11492        4622        307     591  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3545       3056     232  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3222      54904    2474  DNIC-AS-00749, US
 16625        3165       1364    2254  AKAMAI-AS, US
  7018        2846      23664    1799  ATT-INTERNET4, US
   367        2837       3384    1288  DNIC-ASBLK-00306-00371, 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        9193       1234    2055  TTNET, TR
 12479        7762       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3902       3396     153  AKAMAI-ASN1, NL
  9009        3523        301    1761  M247, RO
 12389        2990       2304     901  ROSTELECOM-AS, RU
  8551        2646        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2587       1852      14  TE-AS TE-AS, EG
  5384        2484        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2388        365     573  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       12173       3320     504  UNINET, MX
 10620        3512        492     940  Telmex Colombia S.A., CO
 13999        2548        355     667  Mega Cable, S.A. de C.V., MX
 11830        2000        369      64  Instituto Costarricense de Electricidad
 28573        1553       2311     255  Claro NXT Telecomunicacoes Ltda, BR
  3816        1323        784     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664        1239        278      33  Techtel LMDS Comunicaciones Interactiva
 19429        1231        216      21  ETB - Colombia, CO
  6503        1128        315     480  Axtel, S.A.B. de C.V., MX
 28202        1114         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        1635        314      37  Telkom-Internet, ZA
 24835        1569        577      29  RAYA-AS, EG
 24863        1494        389      20  LINKdotNET-AS, EG
 36992        1376       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1219         77      58  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         535         82       3  KENET-AS, KE
 15399         534         56      58  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       12173       3320     504  UNINET, MX
 16509        9983      11392    3538  AMAZON-02, US
  9808        9845       8745      73  CHINAMOBILE-CN China Mobile Communicati
 47331        9193       1234    2055  TTNET, TR
 12479        7762       1708     145  UNI2-AS, ES
  7545        5633        776     668  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5249       8783     879  COGENT-174, US
  4538        4998       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4622        307     591  CABLEONE, US

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        9845         9772  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7762         7617  UNI2-AS, ES
 47331        9193         7138  TTNET, TR
 16509        9983         6445  AMAZON-02, US
  7545        5633         4965  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998         4924  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4524         4475  VNPT-AS-VN VNPT Corp, VN
   174        5249         4370  COGENT-174, US
 18403        4341         4317  FPT-AS-AP FPT Telecom Company, VN

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
     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
     46639  UNALLOCATED  8.17.66.0/24              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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       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      /11:93      /12:298     
/13:582     /14:1196    /15:2132    /16:13422   /17:8526    /18:14783   
/19:25790   /20:45822   /21:54529   /22:115698  /23:108668  /24:612836  
/25:1134    /26:1099    /27:1610    /28:308     /29:518     /30:515     
/31:351     /32:909     

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

   ASN  No of nets  Total ann.  Description
 47331        8296        9193  TTNET, TR
 12479        6856        7762  UNI2-AS, ES
  8151        6220       12173  UNINET, MX
 11492        3531        4622  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2641        3545  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2180        2524  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2141        3512  Telmex Colombia S.A., CO

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

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

   1:2333      2:1724      3:343       4:22        5:4741      6:163    
   7:6         8:1623      9:1        11:172      12:1467     13:363    
  14:2486     15:319      16:217      17:376      18:771      20:403    
  21:4        22:188      23:6910     24:3115     25:2        27:2636   
  29:19       31:2744     32:61       34:66       35:139      36:2335   
  37:4634     38:8887     39:904      40:125      41:4687     42:2113   
  43:2443     44:326      45:18527    46:4607     47:307      49:1978   
  50:1936     51:581      52:1616     54:314      55:979      56:7      
  57:189      58:2172     59:1272     60:1034     61:2801     62:2893   
  63:1928     64:5720     65:2363     66:4843     67:3074     68:1346   
  69:4138     70:1381     71:593      72:2962     74:2634     75:1588   
  76:628      77:2625     78:4186     79:2552     80:2222     81:2272   
  82:1725     83:1428     84:1681     85:4116     86:1016     87:2323   
  88:3146     89:4269     90:688      91:8285     92:2398     93:2743   
  94:3917     95:5455     96:1291     97:316      98:1051     99:739    
 100:91      101:1200    102:3929    103:32996   104:4829    105:2089   
 106:1022    107:2758    108:1164    109:4231    110:2186    111:3285   
 112:2110    113:1845    114:1826    115:2178    116:1918    117:2682   
 118:2861    119:2095    120:1808    121:1380    122:2845    123:2274   
 124:1712    125:2907    126:32      128:1537    129:1033    130:1216   
 131:2019    132:931     133:412     134:1745    135:365     136:1123   
 137:1084    138:3162    139:1556    140:1383    141:1355    142:1681   
 143:1703    144:1014    145:370     146:2111    147:1974    148:2550   
 149:2823    150:1085    151:1353    152:2239    153:595     154:7114   
 155:1474    156:2334    157:1865    158:1162    159:2341    160:2786   
 161:1735    162:3600    163:1776    164:1712    165:2200    166:1266   
 167:1827    168:4272    169:840     170:5379    171:1063    172:3895   
 173:3085    174:899     175:1282    176:3844    177:6337    178:3862   
 179:2740    180:2458    181:3837    182:3401    183:2010    184:2282   
 185:21182   186:5647    187:5208    188:4340    189:4603    190:9801   
 191:2089    192:11105   193:9185    194:7699    195:5516    196:3725   
 197:2964    198:6126    199:7938    200:8604    201:6553    202:10864  
 203:10676   204:4656    205:3690    206:4553    207:3659    208:4214   
 209:5135    210:4814    211:2677    212:4393    213:3632    214:1071   
 215:49      216:6905    217:3208    218:1369    219:612     220:2046   
 221:1046    222:964     223:2245   

End of report


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