10/21/97 Internet Routing Problems

From: stats@merit.edu
Date: Wed Oct 22 1997 - 10:00:04 EDT


See http://www.merit.edu/ipma for a more detailed report on
routing problems and recommendations on ways service providers can
limit the spread of invalid routing information.
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collection research efforts.

Reserved Network and Host Announcements
---------------------------------------
192.116.222.0/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
192.116.222.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5486 Incomplete
194.64.0.16/30 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
194.64.0.16/30 at PacBell from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
194.64.0.8/30 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
194.64.0.8/30 at PacBell from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.1.130/32 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.1.130/32 at PacBell from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.2.48/28 at Mae-West from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.180.2.48/28 at PacBell from ANS (AS1673) ASPATH=1673 1667 6805 2871 Incomplete
195.204.43.32/27 at Mae-East from telia (AS1299) ASPATH=1299 1299 1299 1299 1299 3301 5381 IGP
198.60.153.49/32 at Mae-East from GoodNet (AS5696) ASPATH=5696 Incomplete
198.60.153.49/32 at Mae-West from GoodNet (AS5696) ASPATH=5696 Incomplete
206.80.170.204/30 at Mae-East from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at Mae-West from Grid (AS6113) ASPATH=6113 IGP
206.80.170.204/30 at PacBell from Grid (AS6113) ASPATH=6113 IGP
207.212.14.32/27 at Mae-East from AGIS (AS4200) ASPATH=4200 5672 10501 IGP

Reserved AS Numbers
-------------------
AS65515 at Mae-East from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP

AS65515 at Mae-West from Digex (AS2548) ASPATH=2548 5415 65515 8207 IGP

AS64514 at AADS from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete

AS64517 at AADS from internetMCI (AS3561) ASPATH=3561 8342 2118 64517 IGP

AS64514 at PacBell from internetMCI (AS3561) ASPATH=3561 8342 2118 64514 Incomplete

AS64517 at PacBell from internetMCI (AS3561) ASPATH=3561 8342 2118 64517 IGP

Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)

1. NetKonect (AS6716) at Mae-East 17 + 442679 = 442696 BGP prefix updates
2. GetNet (AS5784) at Mae-East 18 + 278804 = 278822 BGP prefix updates
3. USCyber (AS4136) at Mae-East 2 + 236832 = 236834 BGP prefix updates
4. idc (AS4694) at Mae-West 823 + 213192 = 214015 BGP prefix updates
5. Interpath (AS3407) at Mae-East 929 + 195970 = 196899 BGP prefix updates
6. internetMCI (AS3561) at Mae-East 111753 + 14413 = 126166 BGP prefix updates
7. telia (AS1299) at Mae-East 611 + 124228 = 124839 BGP prefix updates
8. SPRINT (AS1239) at Mae-East 101075 + 21543 = 122618 BGP prefix updates
9. internetMCI (AS3561) at AADS 59381 + 27464 = 86845 BGP prefix updates
10. internetMCI (AS3561) at PacBell 64545 + 15632 = 80177 BGP prefix updates

Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)

1. Servint(AS7960) at Mae-East 89.00 (89 ann, 1 entries)
2. CWIX(AS5683) at Mae-East 85.00 (7225 ann, 85 entries)
3. CWIX(AS5683) at Mae-East 83.99 (7139 ann, 85 entries)
4. Servint(AS7960) at Mae-East 66.00 (66 ann, 1 entries)
5. CWIX(AS5683) at Mae-West 56.89 (4836 ann, 85 entries)
6. CWIX(AS5683) at Mae-West 50.12 (4260 ann, 85 entries)
7. VisiNet(AS6261) at Mae-West 42.40 (424 ann, 10 entries)
8. CableInet(AS5462) at Mae-West 35.50 (213 ann, 6 entries)
9. CableInet(AS5462) at Mae-East 32.00 (192 ann, 6 entries)
10. ThePlanet(AS5388) at Mae-West 28.78 (259 ann, 9 entries)
11. Digex(AS2548) at Mae-East 25.31 (3012 ann, 119 entries)
12. CAIS(AS3491) at Mae-West 19.30 (4342 ann, 225 entries)
13. Erols(AS6079) at Mae-East 19.11 (172 ann, 9 entries)
14. Interpath(AS3407) at Mae-East 18.22 (929 ann, 51 entries)
15. HLC(AS4565) at Mae-West 15.50 (775 ann, 50 entries)
16. DREN(AS668) at Mae-West 14.68 (1762 ann, 120 entries)
17. WebSecure(AS6583) at Mae-East 14.00 (14 ann, 1 entries)
18. DISA(AS568) at Mae-West 13.41 (6639 ann, 495 entries)
19. INAP.net(AS5646) at Mae-West 12.56 (7986 ann, 636 entries)
20. Nacamar(AS3257) at Mae-West 12.41 (484 ann, 39 entries)

Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)

1. internetMCI (3561) at aads 715
2. BBNplanet (1) at mae-west 378
3. AGIS (4200) at mae-east 372
4. AT&T (6478) at mae-west 265
5. Digex (2548) at mae-west 170
6. Grid (6113) at mae-west 169
7. INAP.net (5646) at mae-east 160
8. CAIS (3491) at aads 143
9. DREN (668) at mae-east 126
10. NASA (297) at mae-west 116






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