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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 22 22:41:14 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 22 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:                              997070
    Prefixes after maximum aggregation (per Origin AS):          364277
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      458697
Total ASes present in the Internet Routing Table:                 75756
    Prefixes per ASN:                                             13.16
Origin-only ASes present in the Internet Routing Table:           64925
Origin ASes announcing only one prefix:                           25910
Transit ASes present in the Internet Routing Table:               10831
Transit-only ASes present in the Internet Routing Table:            513
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:              1191
    Number of instances of unregistered ASNs:                      1193
Number of 32-bit ASNs allocated by the RIRs:                      43889
Number of 32-bit ASNs visible in the Routing Table:               36180
Prefixes from 32-bit ASNs in the Routing Table:                  194308
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:            652
Number of addresses announced to Internet:                   3030863797
    Equivalent to 180 /8s, 167 /16s and 79 /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:      340812

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

Prefixes being announced by APNIC Region ASes:                   259817
    Total APNIC prefixes after maximum aggregation:               73822
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252273
    Unique aggregates announced from the APNIC address blocks:   100250
APNIC Region origin ASes present in the Internet Routing Table:   14132
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4220
APNIC Region transit ASes present in the Internet Routing Table:   1909
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         53
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9478
Number of APNIC addresses announced to Internet:              761262240
    Equivalent to 45 /8s, 95 /16s and 240 /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:                    282889
    Total ARIN prefixes after maximum aggregation:               125609
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287537
    Unique aggregates announced from the ARIN address blocks:    132566
ARIN Region origin ASes present in the Internet Routing Table:    19152
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                6943
ARIN Region transit ASes present in the Internet Routing Table:    1974
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:    4881
Number of ARIN addresses announced to Internet:              1270092610
    Equivalent to 75 /8s, 180 /16s and 19 /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:                    282624
    Total RIPE prefixes after maximum aggregation:               128910
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276592
    Unique aggregates announced from the RIPE address blocks:    162881
RIPE Region origin ASes present in the Internet Routing Table:    28635
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3991
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         203
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11703
Number of RIPE addresses announced to Internet:               715030387
    Equivalent to 42 /8s, 158 /16s and 127 /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:                  136287
    Total LACNIC prefixes after maximum aggregation:              28973
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         134829
    Unique aggregates announced from the LACNIC address blocks:   49583
LACNIC Region origin ASes present in the Internet Routing Table:  11074
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2087
LACNIC Region transit ASes present in the Internet Routing Table:  2425
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:  8929
Number of LACNIC addresses announced to Internet:             177310560
    Equivalent to 10 /8s, 145 /16s and 139 /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:                  34262
    Total AfriNIC prefixes after maximum aggregation:              6214
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         45186
    Unique aggregates announced from the AfriNIC address blocks:  12904
AfriNIC Region origin ASes present in the Internet Routing Table:  1821
    AfriNIC Prefixes per ASN:                                     24.81
AfriNIC Region origin ASes announcing only one prefix:              606
AfriNIC Region transit ASes present in the Internet Routing Table:  357
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1189
Number of AfriNIC addresses announced to Internet:            106843648
    Equivalent to 6 /8s, 94 /16s and 78 /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     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4192      76  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        3292       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        9723      11352    3423  AMAZON-02, US
   174        5238       6652     695  COGENT-174, US
 11492        4593        305     622  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
 22773        3622       3079     299  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3603       1320      75  SHAW, CA
 16625        3210       1377    2280  AKAMAI-AS, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2925       3632    1389  DNIC-ASBLK-00306-00371, US
396982        2763       3641     411  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        7702       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3276        284    1600  M247, RO
 12389        2956       2302     896  ROSTELECOM-AS, RU
  8551        2651        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2515        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2464       1852      14  TE-AS TE-AS, EG
 34984        2387        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       12376       3321     497  UNINET, MX
 10620        3526        497     892  Telmex Colombia S.A., CO
 13999        2511        342     658  Mega Cable, S.A. de C.V., MX
 11830        2000        369      64  Instituto Costarricense de Electricidad
 28573        1551       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1143        179     430  Techtel LMDS Comunicaciones Interactiva
 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        1628        315      38  Telkom-Internet, ZA
 24835        1522        505      26  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        1203         76      60  ORANGE-COTE-IVOIRE, CI
 36935         836        521      42  Vodafone-, EG
 36914         555         82       3  KENET-AS, KE
  6713         553       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       12376       3321     497  UNINET, MX
  9808        9859       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9723      11352    3423  AMAZON-02, US
 47331        9041       1220    2307  TTNET, TR
 12479        7702       1714     147  UNI2-AS, ES
  7545        5655        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5238       6652     695  COGENT-174, US
  4538        5034       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4594        347      25  FPT-AS-AP FPT Telecom Company, VN

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        7702         7555  UNI2-AS, ES
 47331        9041         6734  TTNET, TR
 16509        9723         6300  AMAZON-02, US
  7545        5655         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4594         4569  FPT-AS-AP FPT Telecom Company, VN
   174        5238         4543  COGENT-174, US
  7155        4186         4088  VIASAT-SP-BACKBONE, 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
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, 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

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
23.160.201.0/24      Origin:     21738  ROZINT, US
23.160.201.0/24     Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     61302  HUIZE_TELECOM Huize Telecom, GB
23.174.120.0/24      Origin:     29774  VSIX-, FR
23.174.120.0/24     Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE

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    /16:13423   /17:8476    /18:14212   
/19:25506   /20:45607   /21:54016   /22:114755  /23:107657  /24:604070  
/25:1107    /26:1054    /27:1511    /28:165     /29:273     /30:109     
/31:113     /32:619     

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

   ASN  No of nets  Total ann.  Description
 47331        8152        9041  TTNET, TR
 12479        6816        7702  UNI2-AS, ES
  8151        6383       12376  UNINET, MX
 11492        3506        4593  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3400        3603  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 22773        2660        3622  ASN-CXA-ALL-CCI-22773-RDC, 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      2:1663      3:317       4:22        5:4713      6:162    
   7:6         8:1634      9:2        11:172      12:1471     13:379    
  14:2459     15:318      16:210      17:374      18:750      20:378    
  21:4        22:188      23:6682     24:3112     25:2        27:2708   
  29:19       31:2801     32:62       34:64       35:126      36:2256   
  37:4636     38:8270     39:901      40:125      41:4632     42:2224   
  43:2401     44:316      45:18473    46:4508     47:303      49:1945   
  50:1926     51:577      52:1610     54:308      55:971      56:5      
  57:168      58:2119     59:1208     60:1026     61:2766     62:2838   
  63:1948     64:5738     65:2367     66:4874     67:3146     68:1355   
  69:4102     70:1387     71:583      72:2972     74:2620     75:1587   
  76:628      77:2562     78:4152     79:2507     80:2196     81:2182   
  82:1585     83:1368     84:1662     85:4041     86:930      87:2305   
  88:3037     89:4189     90:687      91:8188     92:2284     93:2670   
  94:3826     95:5394     96:1316     97:313      98:1047     99:743    
 100:111     101:1192    102:3516    103:32981   104:4825    105:2060   
 106:1006    107:2777    108:1146    109:4128    110:2177    111:3241   
 112:2093    113:1794    114:1796    115:2184    116:1911    117:2626   
 118:2867    119:2034    120:1818    121:1366    122:2830    123:2252   
 124:1683    125:2886    126:32      128:1556    129:1036    130:1138   
 131:2037    132:930     133:410     134:1728    135:356     136:951    
 137:1072    138:3193    139:1580    140:1385    141:1371    142:1615   
 143:1650    144:1018    145:347     146:2062    147:1731    148:2528   
 149:2648    150:1052    151:1359    152:1988    153:593     154:6219   
 155:1391    156:2266    157:1679    158:1117    159:2275    160:2705   
 161:1668    162:3635    163:1744    164:1721    165:2189    166:1070   
 167:1797    168:4273    169:824     170:5211    171:1033    172:3846   
 173:3086    174:912     175:1253    176:3843    177:6067    178:3725   
 179:2749    180:2457    181:3799    182:3386    183:2048    184:2280   
 185:21014   186:5553    187:5221    188:4242    189:4532    190:9691   
 191:2044    192:11051   193:9117    194:7629    195:5445    196:3684   
 197:2885    198:6075    199:7581    200:8622    201:6633    202:10868  
 203:10586   204:4638    205:3808    206:4564    207:3549    208:4194   
 209:5118    210:4796    211:2608    212:4405    213:3530    214:1088   
 215:50      216:6881    217:3055    218:1385    219:608     220:2121   
 221:1035    222:878     223:2240   

End of report


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