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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Aug 12 22:41:23 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 12 Aug, 2023

  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:                              976774
    Prefixes after maximum aggregation (per Origin AS):          357991
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      451295
Total ASes present in the Internet Routing Table:                 74934
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           64207
Origin ASes announcing only one prefix:                           25858
Transit ASes present in the Internet Routing Table:               10727
Transit-only ASes present in the Internet Routing Table:            464
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1309
    Number of instances of unregistered ASNs:                      1311
Number of 32-bit ASNs allocated by the RIRs:                      42421
Number of 32-bit ASNs visible in the Routing Table:               35052
Prefixes from 32-bit ASNs in the Routing Table:                  181644
Number of bogon 32-bit ASNs visible in the Routing Table:           199
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            642
Number of addresses announced to Internet:                   3056749738
    Equivalent to 182 /8s, 50 /16s and 76 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      335613

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

Prefixes being announced by APNIC Region ASes:                   255049
    Total APNIC prefixes after maximum aggregation:               70929
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248708
    Unique aggregates announced from the APNIC address blocks:    97438
APNIC Region origin ASes present in the Internet Routing Table:   13647
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               3986
APNIC Region transit ASes present in the Internet Routing Table:   1834
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8946
Number of APNIC addresses announced to Internet:              776313184
    Equivalent to 46 /8s, 69 /16s and 153 /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:                    280519
    Total ARIN prefixes after maximum aggregation:               125262
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           282087
    Unique aggregates announced from the ARIN address blocks:    130846
ARIN Region origin ASes present in the Internet Routing Table:    19128
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6954
ARIN Region transit ASes present in the Internet Routing Table:    1958
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4829
Number of ARIN addresses announced to Internet:              1276663872
    Equivalent to 76 /8s, 24 /16s and 88 /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:                    278977
    Total RIPE prefixes after maximum aggregation:               126276
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274882
    Unique aggregates announced from the RIPE address blocks:    159998
RIPE Region origin ASes present in the Internet Routing Table:    28478
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12004
RIPE Region transit ASes present in the Internet Routing Table:    4002
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11335
Number of RIPE addresses announced to Internet:               717070814
    Equivalent to 42 /8s, 189 /16s and 161 /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:                  126939
    Total LACNIC prefixes after maximum aggregation:              28731
    LACNIC Deaggregation factor:                                   4.42
Prefixes being announced from the LACNIC address blocks:         126358
    Unique aggregates announced from the LACNIC address blocks:   49797
LACNIC Region origin ASes present in the Internet Routing Table:  11012
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2330
LACNIC Region transit ASes present in the Internet Routing Table:  2373
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8819
Number of LACNIC addresses announced to Internet:             178592032
    Equivalent to 10 /8s, 165 /16s and 25 /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:                  33981
    Total AfriNIC prefixes after maximum aggregation:              5986
    AfriNIC Deaggregation factor:                                  5.68
Prefixes being announced from the AfriNIC address blocks:         44096
    Unique aggregates announced from the AfriNIC address blocks:  12673
AfriNIC Region origin ASes present in the Internet Routing Table:  1785
    AfriNIC Prefixes per ASN:                                     24.70
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  335
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1123
Number of AfriNIC addresses announced to Internet:            107694592
    Equivalent to 6 /8s, 107 /16s and 74 /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        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5698        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3726       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3596       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3076        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2483        843     405  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2311      11270     588  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        8824      10965    3195  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3671       3061     301  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3612       6657     616  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3155       1530    2345  AKAMAI-AS, US
   749        3149      54961    2401  DNIC-AS-00749, US
   367        2973       3825    1408  DNIC-ASBLK-00306-00371, US
396982        2684       3596     388  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        8285       1142    3289  TTNET, TR
 12479        7346       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4155       3399     187  AKAMAI-ASN1, NL
  8551        3458        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2985       2294     920  ROSTELECOM-AS, RU
  9009        2678        248    1396  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2370        365     591  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       11644       3360     611  UNINET, MX
 10620        3530        507     839  Telmex Colombia S.A., CO
 13999        2430        362     637  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        774     171  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1122         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1113        181     434  Techtel LMDS Comunicaciones Interactiva

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        1900        319      50  Telkom-Internet, ZA
 24863        1588        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1356       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         535         54      49  WANANCHI-, KE
 36914         524         82       3  KENET-AS, 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       11644       3360     611  UNINET, MX
  9808        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8824      10965    3195  AMAZON-02, US
 47331        8285       1142    3289  TTNET, TR
 12479        7346       1713     145  UNI2-AS, ES
  7545        5698        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4242        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        9536         9493  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7346         7201  UNI2-AS, ES
 16509        8824         5629  AMAZON-02, US
  7545        5698         5010  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         4996  TTNET, TR
  4538        5033         4957  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4242         4217  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, 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
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, 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
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, 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
100.65.13.0/24            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

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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW

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        /8:17       /9:14      /10:39      /11:102     /12:296     
/13:575     /14:1211    /15:2154    /16:13686   /17:8560    /18:14787   
/19:25790   /20:45862   /21:54495   /22:114163  /23:106828  /24:585210  
/25:495     /26:612     /27:1038    /28:76      /29:101     /30:28      
/31:24      /32:610     

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

   ASN  No of nets  Total ann.  Description
 47331        7414        8285  TTNET, TR
 12479        6431        7346  UNI2-AS, ES
  8151        5650       11644  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4523  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3143        4198  VIASAT-SP-BACKBONE, US
  8551        2926        3458  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2711        3671  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2263      2:1492      3:229       4:8         5:4756      6:134    
   7:6         8:1624      9:1        11:172      12:1516     13:374    
  14:2394     15:302      16:198      17:378      18:593      20:299    
  21:4        22:188      23:6477     24:3040     25:6        27:2611   
  29:19       31:2677     32:97       34:26       35:119      36:1996   
  37:4729     38:6178     39:849      40:148      41:4816     42:2049   
  43:2439     44:323      45:17292    46:4481     47:393      49:1799   
  50:1881     51:585      52:1631     54:391      55:972      56:8      
  57:129      58:1971     59:1193     60:1001     61:2721     62:2830   
  63:1954     64:5767     65:2357     66:5115     67:3076     68:1344   
  69:4139     70:1412     71:697      72:3065     74:2673     75:1610   
  76:621      77:2580     78:3894     79:3015     80:2175     81:2049   
  82:1571     83:1349     84:1560     85:3808     86:869      87:2261   
  88:2840     89:3943     90:621      91:7993     92:2153     93:2636   
  94:3707     95:5082     96:1341     97:325      98:1126     99:735    
 100:123     101:1362    102:3305    103:32568   104:4600    105:2004   
 106:959     107:2574    108:1129    109:4343    110:2171    111:3180   
 112:2129    113:1805    114:1667    115:2133    116:1952    117:2583   
 118:2722    119:2083    120:1836    121:1193    122:2739    123:2232   
 124:1637    125:2530    128:1499    129:1122    130:1071    131:2056   
 132:951     133:422     134:1796    135:353     136:907     137:988    
 138:2804    139:1618    140:1258    141:1341    142:1501    143:1562   
 144:1008    145:343     146:1995    147:1627    148:2478    149:2181   
 150:909     151:1221    152:2007    153:584     154:5003    155:1397   
 156:1942    157:1354    158:1091    159:2241    160:2697    161:1597   
 162:3556    163:1651    164:1763    165:1914    166:1006    167:1752   
 168:4045    169:950     170:4826    171:922     172:3654    173:3006   
 174:1002    175:1229    176:3943    177:5475    178:3581    179:2419   
 180:2590    181:3549    182:3439    183:2027    184:2331    185:20867  
 186:5037    187:4522    188:4335    189:4008    190:9402    191:1855   
 192:11004   193:9010    194:7528    195:5448    196:3679    197:3064   
 198:6069    199:6109    200:8184    201:6213    202:11012   203:10587  
 204:4603    205:3682    206:4391    207:3528    208:4205    209:4996   
 210:4721    211:2614    212:4377    213:3725    214:1093    215:60     
 216:6856    217:3028    218:1328    219:618     220:2042    221:979    
 222:853     223:2194   

End of report


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