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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 21 22:41:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 21 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:                              998104
    Prefixes after maximum aggregation (per Origin AS):          364111
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      458360
Total ASes present in the Internet Routing Table:                 75772
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           64964
Origin ASes announcing only one prefix:                           25932
Transit ASes present in the Internet Routing Table:               10808
Transit-only ASes present in the Internet Routing Table:            508
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                     203
    Max AS path prepend of ASN ( 56409)                             200
Prefixes from unregistered ASNs in the Routing Table:              1181
    Number of instances of unregistered ASNs:                      1183
Number of 32-bit ASNs allocated by the RIRs:                      43881
Number of 32-bit ASNs visible in the Routing Table:               36182
Prefixes from 32-bit ASNs in the Routing Table:                  194203
Number of bogon 32-bit ASNs visible in the Routing Table:           174
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            654
Number of addresses announced to Internet:                   3030775733
    Equivalent to 180 /8s, 165 /16s and 247 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      341919

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

Prefixes being announced by APNIC Region ASes:                   259656
    Total APNIC prefixes after maximum aggregation:               73834
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252095
    Unique aggregates announced from the APNIC address blocks:   100237
APNIC Region origin ASes present in the Internet Routing Table:   14129
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4212
APNIC Region transit ASes present in the Internet Routing Table:   1907
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9476
Number of APNIC addresses announced to Internet:              761302688
    Equivalent to 45 /8s, 96 /16s and 142 /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:                    284342
    Total ARIN prefixes after maximum aggregation:               125599
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           289016
    Unique aggregates announced from the ARIN address blocks:    132539
ARIN Region origin ASes present in the Internet Routing Table:    19154
    ARIN Prefixes per ASN:                                        15.09
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1966
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4880
Number of ARIN addresses announced to Internet:              1270172482
    Equivalent to 75 /8s, 181 /16s and 75 /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:                    282361
    Total RIPE prefixes after maximum aggregation:               128721
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276322
    Unique aggregates announced from the RIPE address blocks:    162663
RIPE Region origin ASes present in the Internet Routing Table:    28672
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12085
RIPE Region transit ASes present in the Internet Routing Table:    3977
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                         203
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11717
Number of RIPE addresses announced to Internet:               714855283
    Equivalent to 42 /8s, 155 /16s and 211 /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:                  136235
    Total LACNIC prefixes after maximum aggregation:              28990
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         134759
    Unique aggregates announced from the LACNIC address blocks:   49576
LACNIC Region origin ASes present in the Internet Routing Table:  11073
    LACNIC Prefixes per ASN:                                      12.17
LACNIC Region origin ASes announcing only one prefix:              2088
LACNIC Region transit ASes present in the Internet Routing Table:  2426
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8926
Number of LACNIC addresses announced to Internet:             177302112
    Equivalent to 10 /8s, 145 /16s and 106 /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:                  34329
    Total AfriNIC prefixes after maximum aggregation:              6233
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         45257
    Unique aggregates announced from the AfriNIC address blocks:  12836
AfriNIC Region origin ASes present in the Internet Routing Table:  1814
    AfriNIC Prefixes per ASN:                                     24.95
AfriNIC Region origin ASes announcing only one prefix:              601
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1183
Number of AfriNIC addresses announced to Internet:            106819840
    Equivalent to 6 /8s, 93 /16s and 241 /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        9859       8742      65  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4594        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3860       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3611       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3527        496     256  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3291       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2764        864     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2503      11259     577  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        9725      11349    3428  AMAZON-02, US
   174        5246       6652     696  COGENT-174, US
 22773        5010       3079     299  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4591        305     624  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3603       1320      75  SHAW, CA
 16625        3211       1377    2285  AKAMAI-AS, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2930       3633    1395  DNIC-ASBLK-00306-00371, US
396982        2772       3642     406  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        9041       1220    2307  TTNET, TR
 12479        7701       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3935       3396     150  AKAMAI-ASN1, NL
  9009        3274        284    1595  M247, RO
 12389        2955       2302     895  ROSTELECOM-AS, RU
  8551        2648        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2517        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2464       1852      14  TE-AS TE-AS, EG
 34984        2392        366     581  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       12369       3321     497  UNINET, MX
 10620        3526        497     892  Telmex Colombia S.A., CO
 13999        2512        341     657  Mega Cable, S.A. de C.V., MX
 11830        1997        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 26615        1143       2505      73  TIM 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        1628        315      38  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1368       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1136         74      87  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         557         82       3  KENET-AS, KE
  6713         554       1861      34  IAM-AS, MA
 15399         519         55      49  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       12369       3321     497  UNINET, MX
  9808        9859       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9725      11349    3428  AMAZON-02, US
 47331        9041       1220    2307  TTNET, TR
 12479        7701       1714     147  UNI2-AS, ES
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5246       6652     696  COGENT-174, US
  4538        5032       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5010       3079     299  ASN-CXA-ALL-CCI-22773-RDC, 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        9859         9794  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7701         7554  UNI2-AS, ES
 47331        9041         6734  TTNET, TR
 16509        9725         6297  AMAZON-02, US
  7545        5655         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032         4957  ERX-CERNET-BKB China Education and Research Net
 22773        5010         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4594         4569  FPT-AS-AP FPT Telecom Company, VN
   174        5246         4550  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           198471  LINKEM-AS, IT
     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             3356  LEVEL3, 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
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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK

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      /11:95      /12:301     
/13:584     /14:1208    /15:2141    /16:13426   /17:8475    /18:14224   
/19:25508   /20:45625   /21:53980   /22:114932  /23:108220  /24:604381  
/25:1106    /26:1053    /27:1511    /28:165     /29:268     /30:105     
/31:110     /32:618     

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

   ASN  No of nets  Total ann.  Description
 47331        8152        9041  TTNET, TR
 12479        6815        7701  UNI2-AS, ES
  8151        6376       12369  UNINET, MX
 22773        4047        5010  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3504        4591  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3400        3603  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2159        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2132        3526  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)
----------------------------------------------

   1:2311      2:1659      3:317       4:22        5:4714      6:162    
   7:6         8:1637      9:2        11:190      12:1470     13:380    
  14:2459     15:318      16:210      17:374      18:753      20:378    
  21:4        22:188      23:6680     24:3171     25:2        27:2652   
  29:19       31:2798     32:62       34:64       35:126      36:2253   
  37:4638     38:8274     39:901      40:125      41:4635     42:2224   
  43:2400     44:319      45:18499    46:4511     47:305      49:1947   
  50:1927     51:576      52:1610     54:309      55:962      56:5      
  57:164      58:2119     59:1208     60:1026     61:2766     62:2798   
  63:1947     64:5747     65:2365     66:4878     67:3145     68:1595   
  69:4121     70:1513     71:583      72:3030     74:2620     75:1586   
  76:632      77:2559     78:4152     79:2507     80:2195     81:2184   
  82:1584     83:1368     84:1661     85:3996     86:930      87:2306   
  88:3037     89:4183     90:687      91:8195     92:2272     93:2656   
  94:3821     95:5392     96:1316     97:314      98:1108     99:742    
 100:111     101:1193    102:3505    103:32960   104:4824    105:2021   
 106:1006    107:2777    108:1141    109:4123    110:2177    111:3239   
 112:2095    113:1793    114:1795    115:2184    116:1913    117:2626   
 118:2866    119:2034    120:1818    121:1366    122:2830    123:2252   
 124:1638    125:2886    126:32      128:1556    129:1034    130:1141   
 131:2045    132:931     133:410     134:1730    135:354     136:958    
 137:1066    138:3191    139:1573    140:1385    141:1376    142:1612   
 143:1642    144:1023    145:347     146:2060    147:1744    148:2529   
 149:2649    150:1047    151:1358    152:1990    153:593     154:6252   
 155:1386    156:2267    157:1673    158:1109    159:2275    160:2680   
 161:1669    162:3636    163:1746    164:1720    165:2188    166:1075   
 167:1792    168:4266    169:820     170:5194    171:1031    172:3851   
 173:3086    174:941     175:1255    176:3837    177:6047    178:3721   
 179:2735    180:2461    181:3800    182:3386    183:2048    184:2281   
 185:21015   186:5590    187:5223    188:4228    189:4529    190:9681   
 191:2047    192:11056   193:9114    194:7632    195:5446    196:3697   
 197:2891    198:6081    199:7581    200:8643    201:6632    202:10818  
 203:10589   204:4637    205:3807    206:4564    207:3551    208:4198   
 209:5123    210:4797    211:2609    212:4408    213:3524    214:1089   
 215:50      216:6881    217:3048    218:1386    219:608     220:2122   
 221:1035    222:879     223:2239   

End of report


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