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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Sep 8 22:41:35 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 08 Sep, 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:                              990350
    Prefixes after maximum aggregation (per Origin AS):          360911
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      454561
Total ASes present in the Internet Routing Table:                 75313
    Prefixes per ASN:                                             13.15
Origin-only ASes present in the Internet Routing Table:           64503
Origin ASes announcing only one prefix:                           25817
Transit ASes present in the Internet Routing Table:               10810
Transit-only ASes present in the Internet Routing Table:            465
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1362
    Number of instances of unregistered ASNs:                      1367
Number of 32-bit ASNs allocated by the RIRs:                      42575
Number of 32-bit ASNs visible in the Routing Table:               35326
Prefixes from 32-bit ASNs in the Routing Table:                  185702
Number of bogon 32-bit ASNs visible in the Routing Table:           233
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            753
Number of addresses announced to Internet:                   3062669450
    Equivalent to 182 /8s, 140 /16s and 160 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      340361

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

Prefixes being announced by APNIC Region ASes:                   258148
    Total APNIC prefixes after maximum aggregation:               71809
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          251610
    Unique aggregates announced from the APNIC address blocks:    99012
APNIC Region origin ASes present in the Internet Routing Table:   13755
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4019
APNIC Region transit ASes present in the Internet Routing Table:   1849
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9039
Number of APNIC addresses announced to Internet:              775140416
    Equivalent to 46 /8s, 51 /16s and 180 /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:                    284451
    Total ARIN prefixes after maximum aggregation:               126244
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           286394
    Unique aggregates announced from the ARIN address blocks:    131932
ARIN Region origin ASes present in the Internet Routing Table:    19189
    ARIN Prefixes per ASN:                                        14.92
ARIN Region origin ASes announcing only one prefix:                6950
ARIN Region transit ASes present in the Internet Routing Table:    1996
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4860
Number of ARIN addresses announced to Internet:              1281973824
    Equivalent to 76 /8s, 105 /16s and 94 /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:                    282450
    Total RIPE prefixes after maximum aggregation:               127282
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277973
    Unique aggregates announced from the RIPE address blocks:    160952
RIPE Region origin ASes present in the Internet Routing Table:    28585
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12019
RIPE Region transit ASes present in the Internet Routing Table:    4009
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11414
Number of RIPE addresses announced to Internet:               718195166
    Equivalent to 42 /8s, 206 /16s and 201 /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:                  129612
    Total LACNIC prefixes after maximum aggregation:              28706
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128934
    Unique aggregates announced from the LACNIC address blocks:   49252
LACNIC Region origin ASes present in the Internet Routing Table:  11067
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2243
LACNIC Region transit ASes present in the Internet Routing Table:  2400
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8871
Number of LACNIC addresses announced to Internet:             178849056
    Equivalent to 10 /8s, 169 /16s and 5 /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:                  34327
    Total AfriNIC prefixes after maximum aggregation:              6031
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         44685
    Unique aggregates announced from the AfriNIC address blocks:  12763
AfriNIC Region origin ASes present in the Internet Routing Table:  1804
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              586
AfriNIC Region transit ASes present in the Internet Routing Table:  338
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142
Number of AfriNIC addresses announced to Internet:            107944448
    Equivalent to 6 /8s, 111 /16s and 26 /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        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5746        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4358        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3747       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3153        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2508        848     389  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      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        9166      11009    3186  AMAZON-02, US
 11492        4533        301     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
   174        3787       6656     617  COGENT-174, US
 22773        3692       3063     321  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3196       1546    2363  AKAMAI-AS, US
   749        3165      54961    2400  DNIC-AS-00749, US
   367        3011       3838    1420  DNIC-ASBLK-00306-00371, US
396982        2693       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        8478       1162    3084  TTNET, TR
 12479        7387       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4195       3399     186  AKAMAI-ASN1, NL
  8551        3481        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3009       2298     925  ROSTELECOM-AS, RU
  9009        2770        257    1409  M247, RO
  8452        2477       1852      16  TE-AS TE-AS, EG
  5384        2463        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2381        366     587  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       11886       3370     603  UNINET, MX
 10620        3546        507     834  Telmex Colombia S.A., CO
 13999        2462        365     639  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1325       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1112         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        1894        319      45  Telkom-Internet, ZA
 24863        1595        393      19  LINKdotNET-AS, EG
 24835        1523        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         534         55      52  WANANCHI-, KE
 36914         533         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       11886       3370     603  UNINET, MX
  9808        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9166      11009    3186  AMAZON-02, US
 47331        8478       1162    3084  TTNET, TR
 12479        7387       1713     145  UNI2-AS, ES
  7545        5746        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     625  CABLEONE, US
 18403        4358        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        9690         9591  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7387         7242  UNI2-AS, ES
 16509        9166         5980  AMAZON-02, US
 47331        8478         5394  TTNET, TR
  7545        5746         5057  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024         4949  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4358         4333  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 20940        4195         4009  AKAMAI-ASN1, NL

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
     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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            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
23.178.240.0/24      Origin:    399517  RESERVED, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13755   /17:8603    /18:14838   
/19:25944   /20:46301   /21:55222   /22:115568  /23:108686  /24:594001  
/25:486     /26:622     /27:1037    /28:77      /29:101     /30:26      
/31:22      /32:641     

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

   ASN  No of nets  Total ann.  Description
 47331        7601        8478  TTNET, TR
 12479        6473        7387  UNI2-AS, ES
  8151        5868       11886  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3442        4533  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2948        3481  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2725        3692  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2170        2514  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2291      2:1556      3:259       4:8         5:4804      6:139    
   7:6         8:1634      9:1        11:172      12:1526     13:386    
  14:2421     15:304      16:198      17:384      18:642      20:305    
  21:4        22:188      23:6530     24:3060     25:6        27:2665   
  29:19       31:2694     32:98       34:26       35:120      36:2017   
  37:4759     38:6396     39:878      40:148      41:4861     42:2125   
  43:2481     44:331      45:17827    46:4543     47:395      49:1827   
  50:1929     51:597      52:1635     54:398      55:981      56:8      
  57:133      58:1979     59:1208     60:1010     61:2728     62:2858   
  63:1973     64:5885     65:2418     66:5162     67:3121     68:1366   
  69:4218     70:1414     71:702      72:3087     74:2696     75:1618   
  76:624      77:2600     78:4014     79:3045     80:2197     81:2100   
  82:1592     83:1364     84:1580     85:3883     86:877      87:2286   
  88:2871     89:3972     90:623      91:8057     92:2182     93:2682   
  94:3765     95:5109     96:1346     97:326      98:1139     99:736    
 100:123     101:1369    102:3416    103:32982   104:4686    105:2014   
 106:966     107:2718    108:1162    109:4372    110:2202    111:3189   
 112:2151    113:1822    114:1681    115:2157    116:1967    117:2607   
 118:2772    119:2096    120:1879    121:1218    122:2770    123:2265   
 124:1669    125:2611    128:1592    129:1146    130:1095    131:2093   
 132:969     133:408     134:1803    135:355     136:927     137:995    
 138:2869    139:1695    140:1298    141:1336    142:1544    143:1594   
 144:1017    145:349     146:2020    147:1636    148:2503    149:2349   
 150:915     151:1256    152:2006    153:595     154:5287    155:1430   
 156:2013    157:1367    158:1099    159:2270    160:2724    161:1629   
 162:3604    163:1670    164:1779    165:1945    166:1098    167:1761   
 168:4092    169:960     170:4982    171:938     172:3758    173:3023   
 174:1007    175:1266    176:3985    177:5576    178:3606    179:2477   
 180:2639    181:3687    182:3457    183:2050    184:2332    185:21088  
 186:5137    187:4612    188:4381    189:4146    190:9555    191:1928   
 192:11119   193:9092    194:7600    195:5524    196:3673    197:3044   
 198:6100    199:6178    200:8319    201:6305    202:11089   203:10651  
 204:4649    205:3794    206:4456    207:3570    208:4281    209:5039   
 210:4743    211:2640    212:4420    213:3775    214:1104    215:60     
 216:6960    217:3052    218:1330    219:618     220:2045    221:992    
 222:866     223:2198   

End of report


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